| kilocycle | (noun) one thousand periods per second | Synonyms: kc, kHz, kilocycle per second, kilohertz |
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| kindle | (verb) call forth (emotions, feelings, and responses) | Synonyms: arouse, elicit, enkindle, evoke, fire, provoke, raise |
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| (verb) cause to start burning | Synonyms: conflagrate, enkindle, inflame |
| (verb) catch fire | Synonyms: inflame |
| kirtle | (noun) a long dress worn by women | - |
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| (noun) a garment resembling a tunic that was worn by men in the Middle Ages | - |
| knobble | (noun) a small knob | - |
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| knothole | (noun) a hole in a board where a knot came out | - |
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| knowable | (adjective) capable of being known | Synonyms: cognisable, cognizable, cognoscible |
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| knowledgeable | (adjective) highly educated; having extensive information or understanding | Synonyms: knowing, learned, lettered, well-educated, well-read |
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| (adjective) thoroughly acquainted through study or experience | Synonyms: intimate, versed |
| (adjective) alert and fully informed | Synonyms: knowing |
| knuckle | (noun) a joint of a finger when the fist is closed | Synonyms: knuckle joint, metacarpophalangeal joint |
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| (verb) press or rub with the knuckles | - |
| (verb) shoot a marble while keeping one's knuckles on the ground | - |
| labile | (adjective) (chemistry, physics, biology) readily undergoing change or breakdown | - |
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| (adjective) liable to change | - |
| ladle | (noun) a spoon-shaped vessel with a long handle; frequently used to transfer liquids from one container to another | - |
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| (verb) remove with or as if with a ladle | Synonyms: lade, laden |
| (verb) put (a liquid) into a container by means of a ladle | - |
| ladybeetle | (noun) small round bright-colored and spotted beetle that usually feeds on aphids and other insect pests | Synonyms: lady beetle, ladybird, ladybird beetle, ladybug |
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| laetrile | (noun) a substance derived from amygdalin; publicized as an antineoplastic drug although there is no supporting evidence | - |
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| lamentable | (adjective) bad; unfortunate | Synonyms: deplorable, distressing, pitiful, sad, sorry |
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| lansoprazole | (noun) antacid (trade name Prevacid) that suppresses acid secretion in the stomach | Synonyms: Prevacid |
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| laparocele | (noun) hernia through the abdomen | - |
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| laudable | (adjective) worthy of high praise | Synonyms: applaudable, commendable, praiseworthy |
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| laughable | (adjective) so unreasonable as to invite derision | Synonyms: absurd, cockeyed, derisory, idiotic, ludicrous, nonsensical, preposterous, ridiculous |
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| (adjective) arousing or provoking laughter | Synonyms: amusing, comic, comical, funny, mirthful, risible |
| legible | (adjective) (of handwriting, print, etc.) capable of being read or deciphered | - |
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| lendable | (adjective) available for lending | - |
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| liable | (adjective) at risk of or subject to experiencing something usually unpleasant | Synonyms: apt |
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| (adjective) held legally responsible | - |
| (adjective) (often followed by `to') likely to be affected with | Synonyms: nonimmune, nonresistant, unresistant |
| (adjective) subject to legal action | - |
| lifestyle | (noun) a manner of living that reflects the person's values and attitudes | Synonyms: life-style, life style, modus vivendi |
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| ligule | (noun) (botany) any appendage to a plant that is shaped like a strap | - |
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| likable | (adjective) (of characters in literature or drama) evoking empathic or sympathetic feelings | Synonyms: appealing, likeable, sympathetic |
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| (adjective) easy to like; agreeable | Synonyms: likeable |
| likeable | (adjective) (of characters in literature or drama) evoking empathic or sympathetic feelings | Synonyms: appealing, likable, sympathetic |
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| (adjective) easy to like; agreeable | Synonyms: likable |
| liquefiable | (adjective) capable of being liquefied | Synonyms: liquifiable |
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| liquifiable | (adjective) capable of being liquefied | Synonyms: liquefiable |
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| lisle | (noun) a strong tightly twisted cotton thread (usually made of long-staple cotton) | Synonyms: lisle thread |
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| (noun) a fabric woven with lisle thread | - |
| little | (adjective) low in stature; not tall; describing something or someone with a stature less than normal | Synonyms: short |
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| (adjective) limited or below average in number or quantity or magnitude or extent | Synonyms: small |
| (adjective) (quantifier used with mass nouns) small in quantity or degree; not much or almost none or (with `a') at least some | Synonyms: slight |
| (adjective) small in a way that arouses feelings (of tenderness or its opposite depending on the context) | - |
| (adjective) lowercase | Synonyms: minuscule, small |
| (adjective) (of a voice) faint | Synonyms: small |
| (adjective) (informal) small and of little importance | Synonyms: fiddling, footling, lilliputian, niggling, petty, picayune, piddling, piffling, trivial |
| (adjective) (of children and animals) young, immature | Synonyms: small |
| (noun) a small amount or duration | - |
| (adverb) not much | - |
| livable | (adjective) fit or suitable to live in or with | Synonyms: liveable |
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| liveable | (adjective) fit or suitable to live in or with | Synonyms: livable |
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| lobule | (noun) a small lobe or subdivision of a lobe | - |
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| locale | (noun) the scene of any event or action (especially the place of a meeting) | Synonyms: locus, venue |
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| locule | (noun) a small cavity or space within an organ or in a plant or animal | Synonyms: loculus |
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| lodgepole | (noun) shrubby two-needled pine of coastal northwestern United States; red to yellow-brown bark fissured into small squares | Synonyms: lodgepole pine, Pinus contorta, shore pine, spruce pine |
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| loophole | (noun) a small hole in a fortified wall; for observation or discharging weapons | - |
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| (noun) an ambiguity (especially one in the text of a law or contract) that makes it possible to evade a difficulty or obligation | - |
| lovable | (adjective) having characteristics that attract love or affection | Synonyms: loveable |
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| loveable | (adjective) having characteristics that attract love or affection | Synonyms: lovable |
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| lunule | (noun) the crescent-shaped area at the base of the human fingernail | Synonyms: half-moon, lunula |
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| mackle | (noun) a printed impression that is blurred or doubled | - |
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| macromolecule | (noun) any very large complex molecule; found only in plants and animals | Synonyms: supermolecule |
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| macule | (noun) a patch of skin that is discolored but not usually elevated; caused by various diseases | Synonyms: macula |
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| mademoiselle | (noun) small silvery drumfish often mistaken for white perch; found along coasts of United States from New York to Mexico | Synonyms: Bairdiella chrysoura, silver perch |
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| maintainable | (adjective) capable of being maintained | - |
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| majuscule | (adjective) of or relating to a style of writing characterized by somewhat rounded capital letters; 4th to 8th centuries | - |
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| (adjective) uppercase | Synonyms: capital, great |
| (noun) one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis | Synonyms: capital, capital letter, upper-case letter, uppercase |
| male | (adjective) being the sex (of plant or animal) that produces gametes (spermatozoa) that perform the fertilizing function in generation | - |
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| (adjective) for or pertaining to or composed of men or boys | - |
| (adjective) characteristic of a man | Synonyms: manful, manlike, manly, virile |
| (noun) an animal that produces gametes (spermatozoa) that can fertilize female gametes (ova) | - |
| (noun) a person who belongs to the sex that cannot have babies | Synonyms: male person |
| malleable | (adjective) capable of being shaped or bent or drawn out | Synonyms: ductile, pliable, pliant, tensile, tractile |
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| (adjective) easily influenced | Synonyms: ductile |
| manacle | (noun) shackle that consists of a metal loop that can be locked around the wrist; usually used in pairs | Synonyms: cuff, handcuff, handlock |
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| (verb) confine or restrain with or as if with manacles or handcuffs | Synonyms: cuff, handcuff |
| manageable | (adjective) capable of being managed or controlled | - |
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| (adjective) capable of existing or taking place or proving true; possible to do | Synonyms: accomplishable, achievable, doable, realizable |
| mandible | (noun) the jaw in vertebrates that is hinged to open the mouth | Synonyms: jawbone, jowl, lower jaw, lower jawbone, mandibula, mandibular bone, submaxilla |
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| maneuverable | (adjective) capable of maneuvering or changing position | Synonyms: manoeuvrable |
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| mangle | (noun) clothes dryer for drying and ironing laundry by passing it between two heavy heated rollers | - |
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| (verb) damage or injure severely | Synonyms: cut up, mutilate |
| (verb) alter so as to make unrecognizable | Synonyms: murder, mutilate |
| (verb) press with a mangle | - |
| (verb) injure badly by beating | Synonyms: maul |
| manhandle | (verb) handle roughly | - |
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| manhole | (noun) a hole (usually with a flush cover) through which a person can gain access to an underground structure | - |
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| manipulable | (adjective) easily managed (controlled or taught or molded) | Synonyms: tractable |
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| manoeuvrable | (adjective) capable of maneuvering or changing position | Synonyms: maneuverable |
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| mantle | (noun) a sleeveless garment like a cloak but shorter | Synonyms: cape |
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| (noun) hanging cloth used as a blind (especially for a window) | Synonyms: curtain, drape, drapery, pall |
| (noun) shelf that projects from wall above fireplace | Synonyms: chimneypiece, mantel, mantelpiece, mantlepiece |
| (noun) (zoology) a protective layer of epidermis in mollusks or brachiopods that secretes a substance forming the shell | Synonyms: pallium |
| (noun) the cloak as a symbol of authority | - |
| (noun) the layer of the earth between the crust and the core | - |
| (noun) anything that covers | Synonyms: blanket |
| (verb) cover like a mantle | - |
| (verb) spread over a surface, like a mantle | - |
| maple | (noun) any of numerous trees or shrubs of the genus Acer bearing winged seeds in pairs; north temperate zone | - |
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| (noun) wood of any of various maple trees; especially the hard close-grained wood of the sugar maple; used especially for furniture and flooring | - |
| marble | (noun) a small ball of glass that is used in various games | - |
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| (noun) a sculpture carved from marble | - |
| (noun) a hard crystalline metamorphic rock that takes a high polish; used for sculpture and as building material | - |
| (verb) paint or stain like marble | - |
| marketable | (adjective) capable of being marketed | - |
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| (adjective) being in demand by especially employers | - |
| (adjective) fit to be offered for sale | Synonyms: merchantable, sellable, vendable, vendible |
| marriageable | (adjective) of girls or women who are eligible to marry | Synonyms: nubile |
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| marseille | (noun) strong cotton fabric with a raised pattern; used for bedspreads | - |
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| martingale | (noun) a harness strap that connects the nose piece to the girth; prevents the horse from throwing back its head | - |
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| (noun) spar under the bowsprit of a sailboat | Synonyms: dolphin striker |
| mastoidale | (noun) the craniometric point at the lowest point of the mastoid process | - |
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| mayapple | (noun) North American herb with poisonous root stock and edible though insipid fruit | Synonyms: May apple, Podophyllum peltatum, wild mandrake |
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| maypole | (noun) a vertical pole or post decorated with streamers that can be held by dancers celebrating May Day | - |
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| meanwhile | (noun) the time between one event, process, or period and another | Synonyms: interim, lag, meantime |
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| (adverb) during the intervening time | Synonyms: in the meantime, meantime |
| (adverb) at the same time but in another place | - |
| measurable | (adjective) capable of being measured | Synonyms: mensurable |
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| (adjective) of distinguished importance | - |
| mebendazole | (noun) an anthelmintic used to treat hookworm and pinworm and roundworm infestations | - |
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| meddle | (verb) intrude in other people's affairs or business; interfere unwantedly | Synonyms: tamper |
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| megacycle | (noun) one million periods per second | Synonyms: Mc, megacycle per second, megahertz, MHz |
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| meltable | (adjective) capable of melting | Synonyms: disintegrable |
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| memorable | (adjective) worth remembering | - |
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| meningocele | (noun) a congenital anomaly of the central nervous system in which a sac protruding from the brain or the spinal meninges contains cerebrospinal fluid (but no nerve tissue) | - |
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| mensurable | (adjective) capable of being measured | Synonyms: measurable |
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| (adjective) having notes of fixed rhythmic value | Synonyms: measured, mensural |
| mercantile | (adjective) of or relating to the economic system of mercantilism | - |
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| (adjective) relating to or characteristic of trade or traders | - |
| (adjective) profit oriented | Synonyms: commercial, mercenary, moneymaking |
| merchantable | (adjective) fit to be offered for sale | Synonyms: marketable, sellable, vendable, vendible |
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| meritable | (adjective) deserving reward or praise | Synonyms: meritorious |
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| merle | (noun) common black European thrush | Synonyms: blackbird, European blackbird, merl, ousel, ouzel, Turdus merula |
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| metarule | (noun) a rule that describes how other rules should be used (as in AI) | - |
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| metastable | (adjective) (of physical systems) continuing in its present state of equilibrium unless sufficiently disturbed to pass to a more stable state of equilibrium | - |
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| metronidazole | (noun) antiprotozoal medication (trade name Flagyl) used to treat trichomoniasis and giardiasis | Synonyms: Flagyl |
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| mettle | (noun) the courage to carry on | Synonyms: heart, nerve, spunk |
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| micelle | (noun) an electrically charged particle built up from polymeric molecules or ions and occurring in certain colloidal electrolytic solutions like soaps and detergents | - |
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| mickle | (noun) (often followed by `of') a large number or amount or extent | Synonyms: batch, deal, flock, good deal, great deal, hatful, heap, lot, mass, mess, mint, mountain, muckle, passel, peck, pile, plenty, pot, quite a little, raft, sight, slew, spate, stack, tidy sum, wad |
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| miconazole | (noun) an antifungal agent usually administered in the form of a nitrate (trade name Monistat) | Synonyms: Monistat |
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| micropyle | (noun) minute opening in the wall of an ovule through which the pollen tube enters | - |
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| microtubule | (noun) a microscopically small tubule | - |
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| middle | (adjective) between an earlier and a later period of time | - |
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| (adjective) of a stage in the development of a language or literature between earlier and later stages | - |
| (adjective) being neither at the beginning nor at the end in a series | Synonyms: in-between, mediate |
| (adjective) equally distant from the extremes | Synonyms: center, centre, halfway, midway |
| (noun) the middle area of the human torso (usually in front) | Synonyms: midriff, midsection |
| (noun) an intermediate part or section | - |
| (noun) an area that is approximately central within some larger region | Synonyms: center, centre, eye, heart |
| (noun) the point between the beginning and the end of a temporal period or process | - |
| (verb) put in the middle | - |
| mile | (noun) a footrace extending one mile | - |
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| (noun) a unit of length equal to 1,760 yards or 5,280 feet; exactly 1609.344 meters | Synonyms: international mile, land mile, mi, stat mi, statute mile |
| (noun) a Swedish unit of length equivalent to 10 km | Synonyms: mil, Swedish mile |
| (noun) an ancient Roman unit of length equivalent to 1620 yards | Synonyms: Roman mile |
| (noun) a unit of length used in navigation; exactly 1,852 meters; historically based on the distance spanned by one minute of arc in latitude | Synonyms: air mile, international nautical mile, mi, naut mi, nautical mile |
| (noun) a former British unit of length once used in navigation; equivalent to 6,000 feet (1828.8 meters) | Synonyms: sea mile |
| (noun) a former British unit of length equivalent to 6,080 feet (1,853.184 meters); 800 feet longer than a statute mile | Synonyms: Admiralty mile, geographical mile, mi, naut mi, nautical mile |
| (noun) a large distance | - |
| mingle | (verb) to bring or combine together or with something else | Synonyms: amalgamate, commix, mix, unify |
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| (verb) get involved or mixed-up with | - |
| (verb) be all mixed up or jumbled together | Synonyms: jumble |
| miniscule | (adjective) extremely small | Synonyms: minuscule |
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| minuscule | (adjective) of or relating to a small cursive script developed from uncial; 7th to 9th centuries | Synonyms: minuscular |
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| (adjective) lowercase | Synonyms: little, small |
| (adjective) extremely small | Synonyms: miniscule |
| (noun) a small cursive script developed from uncial between the 7th and 9th centuries and used in medieval manuscripts | - |
| (noun) the characters that were once kept in bottom half of a compositor's type case | Synonyms: lower-case letter, lowercase, small letter |
| miracle | (noun) any amazing or wonderful occurrence | - |
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| (noun) a marvellous event manifesting a supernatural act of a divine agent | - |
| miscible | (adjective) (chemistry, physics) capable of being mixed | Synonyms: mixable |
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| miserable | (adjective) of the most contemptible kind | Synonyms: abject, low-down, low, scummy, scurvy |
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| (adjective) of very poor quality or condition | Synonyms: deplorable, execrable, woeful, wretched |
| (adjective) contemptibly small in amount | Synonyms: measly, paltry |
| (adjective) characterized by physical misery | Synonyms: wretched |
| (adjective) deserving or inciting pity | Synonyms: hapless, misfortunate, pathetic, piteous, pitiable, pitiful, poor, wretched |
| (adjective) very unhappy; full of misery | Synonyms: suffering, wretched |
| mishandle | (verb) make a mess of, destroy or ruin | Synonyms: ball up, blow, bobble, bodge, bollix, bollix up, bollocks, bollocks up, botch, botch up, bumble, bungle, flub, fluff, foul up, fuck up, fumble, louse up, mess up, muck up, muff, screw up, spoil |
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| (verb) manage badly or incompetently | Synonyms: misconduct, mismanage |
| misrule | (noun) government that is inefficient or dishonest | Synonyms: misgovernment |
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| missile | (noun) a weapon that is forcibly thrown or projected at a targets but is not self-propelled | Synonyms: projectile |
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| (noun) a rocket carrying a warhead of conventional or nuclear explosives; may be ballistic or directed by remote control | - |
| mistakable | (adjective) so similar as to be easily identified for another thing | Synonyms: confusable |
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| mitigable | (adjective) capable of being alleviated | - |
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