| betise | (noun) a stupid mistake | Synonyms: folly, foolishness, imbecility, stupidity |
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| betoken | (verb) indicate, as with a sign or an omen | Synonyms: augur, auspicate, bode, forecast, foreshadow, foretell, omen, portend, predict, prefigure, presage, prognosticate |
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| (verb) be a signal for or a symptom of | Synonyms: bespeak, indicate, point, signal |
| betray | (verb) give away information about somebody | Synonyms: denounce, give away, grass, rat, shit, shop, snitch, stag, tell on |
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| (verb) reveal unintentionally | Synonyms: bewray |
| (verb) cause someone to believe an untruth | Synonyms: deceive, lead astray |
| (verb) disappoint, prove undependable to; abandon, forsake | Synonyms: fail |
| (verb) deliver to an enemy by treachery | Synonyms: sell |
| (verb) be sexually unfaithful to one's partner in marriage | Synonyms: cheat, cheat on, cuckold, wander |
| betrayal | (noun) an act of deliberate betrayal | Synonyms: perfidy, treachery, treason |
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| (noun) the quality of aiding an enemy | - |
| betrayer | (noun) a person who says one thing and does another | Synonyms: double-crosser, double-dealer, traitor, two-timer |
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| (noun) one who reveals confidential information to the police or other authority | Synonyms: blabber, informer, rat, squealer |
| betroth | (verb) give to in marriage | Synonyms: affiance, engage, plight |
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| betrothal | (noun) the act of becoming betrothed or engaged | Synonyms: espousal |
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| (noun) a mutual promise to marry | Synonyms: engagement, troth |
| betrothed | (adjective) pledged to be married | Synonyms: bespoken, engaged |
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| (noun) the person to whom you are engaged | - |
| better | (adjective) (comparative of `good') superior to another (of the same class or set or kind) in excellence or quality or desirability or suitability; more highly skilled than another | - |
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| (adjective) (comparative of `good') changed for the better in health or fitness | - |
| (adjective) (comparative and superlative of `well') wiser or more advantageous and hence advisable | Synonyms: best |
| (adjective) more than half | - |
| (noun) something superior in quality or condition or effect | - |
| (noun) the superior one of two alternatives | - |
| (noun) someone who bets | Synonyms: bettor, punter, wagerer |
| (noun) a superior person having claim to precedence | - |
| (adverb) comparative of `well'; in a better or more excellent manner or more advantageously or attractively or to a greater degree etc. | - |
| (adverb) from a position of superiority or authority | Synonyms: best |
| (verb) get better | Synonyms: ameliorate, improve, meliorate |
| (verb) to make better | Synonyms: ameliorate, amend, improve, meliorate |
| (verb) surpass in excellence | Synonyms: break |
| bettering | (adjective) changing for the better | - |
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| betterment | (noun) the act of relieving ills and changing for the better | Synonyms: amelioration, melioration |
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| (noun) a change for the better; progress in development | Synonyms: advance, improvement |
| (noun) an improvement that adds to the value of a property or facility | - |
| betting | (adjective) preoccupied with the pursuit of pleasure and especially games of chance | Synonyms: card-playing, dissipated, gambling, sporting |
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| bettong | (noun) short-nosed rat kangaroo | - |
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| bettor | (noun) someone who bets | Synonyms: better, punter, wagerer |
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| betulaceous | (adjective) of or pertaining to or characteristic of trees of the birch family | - |
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| between | (adverb) in between | Synonyms: 'tween |
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| (adverb) in the interval | Synonyms: betwixt |
| betweenbrain | (noun) the posterior division of the forebrain; connects the cerebral hemispheres with the mesencephalon | Synonyms: diencephalon, interbrain, thalmencephalon |
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| betwixt | (adverb) in the interval | Synonyms: between |
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| bidet | (noun) a basin for washing genitals and anal area | - |
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| billet | (noun) lodging for military personnel (especially in a private home) | - |
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| (noun) a short personal letter | Synonyms: line, note, short letter |
| (verb) provide housing for (military personnel) | Synonyms: canton, quarter |
| bimetal | (adjective) formed of two different metals or alloys; especially in sheets bonded together | Synonyms: bimetallic |
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| (noun) material made by bonding together sheets of two different metals | - |
| bimetallic | (adjective) pertaining to a monetary system based on two metals | Synonyms: bimetallistic |
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| (adjective) formed of two different metals or alloys; especially in sheets bonded together | Synonyms: bimetal |
| bimetallism | (noun) a monetary standard under which the basic unit of currency is defined by stated amounts of two metals (usually gold and silver) with values set at a predetermined ratio | - |
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| bimetallist | (noun) an advocate of bimetallism | - |
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| bimetallistic | (adjective) pertaining to a monetary system based on two metals | Synonyms: bimetallic |
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| bioethics | (noun) the branch of ethics that studies moral values in the biomedical sciences | - |
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| biogenetic | (adjective) of or relating to the production of living organisms from other living organisms | - |
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| biometrics | (noun) a branch of biology that studies biological phenomena and observations by means of statistical analysis | Synonyms: biometry, biostatistics |
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| biometry | (noun) a branch of biology that studies biological phenomena and observations by means of statistical analysis | Synonyms: biometrics, biostatistics |
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| biosafety | (noun) safety from exposure to infectious agents | - |
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| biosynthetic | (adjective) of or relating to biosynthesis | - |
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| biretta | (noun) a stiff cap with ridges across the crown; worn by Roman Catholic clergy | Synonyms: berretta, birretta |
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| birretta | (noun) a stiff cap with ridges across the crown; worn by Roman Catholic clergy | Synonyms: berretta, biretta |
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| bittersweet | (adjective) tinged with sadness | - |
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| (adjective) having a taste that is a mixture of bitterness and sweetness | Synonyms: semisweet |
| (noun) twining shrub of North America having yellow capsules enclosing scarlet seeds | Synonyms: American bittersweet, Celastrus scandens, climbing bittersweet, false bittersweet, shrubby bittersweet, staff vine, waxwork |
| (noun) poisonous perennial Old World vine having violet flowers and oval coral-red berries; widespread weed in North America | Synonyms: bittersweet nightshade, climbing nightshade, deadly nightshade, poisonous nightshade, Solanum dulcamara, woody nightshade |
| blackbeetle | (noun) dark brown cockroach originally from orient now nearly cosmopolitan in distribution | Synonyms: Asiatic cockroach, Blatta orientalis, oriental cockroach, oriental roach |
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| blanket | (adjective) broad in scope or content | Synonyms: across-the-board, all-embracing, all-encompassing, all-inclusive, broad, encompassing, extensive, panoptic, wide |
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| (noun) bedding that keeps a person warm in bed | Synonyms: cover |
| (noun) a layer of lead surrounding the highly reactive core of a nuclear reactor | - |
| (noun) anything that covers | Synonyms: mantle |
| (verb) cover as if with a blanket | - |
| (verb) form a blanket-like cover (over) | - |
| blanketed | (adjective) covered with (or as if with) a blanket | - |
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| blastogenetic | (adjective) of or relating to blastogenesis | - |
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| blastomycete | (noun) any of various yeastlike budding fungi of the genus Blastomyces; cause disease in humans and other animals | - |
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| blether | (noun) idle or foolish and irrelevant talk | Synonyms: chin music, idle talk, prate, prattle |
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| (verb) to talk foolishly | Synonyms: babble, blather, blither, smatter |
| bletia | (noun) any of various orchids of the genus Bletia having pseudobulbs and erect leafless racemes of large purple or pink flowers | - |
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| bloodletting | (noun) formerly used as a treatment to reduce excess blood (one of the four humors of medieval medicine) | - |
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| (noun) indiscriminate slaughter | Synonyms: battue, bloodbath, bloodshed |
| bluebonnet | (noun) a brimless dark blue Scottish cap with a flat top and a plume on one side | Synonyms: Balmoral |
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| (noun) low-growing annual herb of southwestern United States (Texas) having silky foliage and blue flowers; a leading cause of livestock poisoning in the southwestern United States | Synonyms: buffalo clover, Lupinus subcarnosus, Texas bluebonnet |
| bluejacket | (noun) a serviceman in the navy | Synonyms: navy man, sailor, sailor boy |
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| bluethroat | (noun) songbird of northern Europe and Asia | Synonyms: Erithacus svecicus |
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| bluetick | (noun) a very fast American hound; white mottled with bluish grey | - |
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| bluetongue | (noun) a viral disease of sheep and cattle that is transmitted by biting midges | - |
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| bolete | (noun) any fungus of the family Boletaceae | - |
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| bolometer | (noun) an instrument that measures heat radiation; extremely sensitive | - |
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| bolometric | (adjective) of or relating to a bolometer | - |
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| bomblet | (noun) one of the smaller bombs that are released from a cluster bomb | Synonyms: cluster bomblet |
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| bonelet | (noun) a small bone; especially one in the middle ear | Synonyms: ossicle, ossiculum |
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| boneset | (noun) perennial herb of southeastern United States having white-rayed flower heads; formerly used as in folk medicine | Synonyms: agueweed, Eupatorium perfoliatum, thoroughwort |
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| (noun) European herb having small white, pink or purple flowers; naturalized as a weed in North America | Synonyms: common comfrey, Symphytum officinale |
| bonesetter | (noun) someone (not necessarily a licensed physician) who sets broken bones | - |
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| bonnet | (noun) a hat tied under the chin | Synonyms: poke bonnet |
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| (noun) protective covering consisting of a metal part that covers the engine | Synonyms: cowl, cowling, hood |
| (verb) dress in a bonnet | - |
| bonnethead | (noun) small harmless hammerhead having a spade-shaped head; abundant in bays and estuaries | Synonyms: bonnet shark, shovelhead, Sphyrna tiburo |
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| booklet | (noun) a small book usually having a paper cover | Synonyms: brochure, folder, leaflet, pamphlet |
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| bouquet | (noun) an arrangement of flowers that is usually given as a present | Synonyms: corsage, nosegay, posy |
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| (noun) a pleasingly sweet olfactory property | Synonyms: fragrance, fragrancy, redolence, sweetness |
| bracelet | (noun) jewelry worn around the wrist for decoration | Synonyms: bangle |
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| (noun) a band of cloth or leather or metal links attached to a wristwatch and wrapped around the wrist | Synonyms: watch bracelet, watchband, watchstrap, wristband |
| bracket | (noun) a support projecting from a wall (as to hold a shelf) | Synonyms: wall bracket |
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| (noun) either of two punctuation marks ([ or ]) used to enclose textual material | Synonyms: square bracket |
| (noun) either of two punctuation marks (`<' or `>') used in computer programming and sometimes used to enclose textual material | Synonyms: angle bracket |
| (noun) a category falling within certain defined limits | - |
| (verb) classify or group | - |
| (verb) place into brackets | Synonyms: bracket out |
| (verb) support with brackets | - |
| bractlet | (noun) a small bract | Synonyms: bracteole |
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| branchlet | (noun) a small branch or division of a branch (especially a terminal division); usually applied to branches of the current or preceding year | Synonyms: sprig, twig |
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| breadbasket | (noun) a basket for serving bread | - |
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| (noun) an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion | Synonyms: stomach, tum, tummy |
| (noun) a geographic region serving as the principal source of grain | - |
| brethren | (noun) (plural) the lay members of a male religious order | - |
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| brevet | (noun) a document entitling a commissioned officer to hold a higher rank temporarily (but without higher pay) | - |
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| (verb) promote somebody by brevet, in the military | - |
| briquet | (noun) a block made from charcoal or coal dust and burned as fuel | Synonyms: briquette |
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| briquette | (noun) a block made from charcoal or coal dust and burned as fuel | Synonyms: briquet |
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| brisket | (noun) a cut of meat from the breast or lower chest especially of beef | - |
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| bristletail | (noun) small wingless insect with a long bristlelike tail | - |
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| broadsheet | (noun) an advertisement (usually printed on a page or in a leaflet) intended for wide distribution | Synonyms: bill, broadside, circular, flier, flyer, handbill, throwaway |
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| brochette | (noun) a small spit or skewer | - |
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| brocket | (noun) small South American deer with unbranched antlers | - |
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| (noun) male red deer in its second year | - |
| brooklet | (noun) a small brook | - |
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| brunet | (adjective) marked by dark or relatively dark pigmentation of hair or skin or eyes | Synonyms: brunette |
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| (noun) a person with dark (brown) hair | Synonyms: brunette |
| brunette | (adjective) marked by dark or relatively dark pigmentation of hair or skin or eyes | Synonyms: brunet |
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| (noun) a person with dark (brown) hair | Synonyms: brunet |
| bubblejet | (noun) a kind of ink-jet printer | Synonyms: bubble-jet printer, bubble jet printer |
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| bucket | (noun) a roughly cylindrical vessel that is open at the top | Synonyms: pail |
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| (noun) the quantity contained in a bucket | Synonyms: bucketful |
| (verb) carry in a bucket | - |
| (verb) put into a bucket | - |
| bucketful | (noun) the quantity contained in a bucket | Synonyms: bucket |
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| budget | (noun) a sum of money allocated for a particular purpose | - |
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| (noun) a summary of intended expenditures along with proposals for how to meet them | - |
| (verb) make a budget | - |
| budgetary | (adjective) of or relating to a budget | - |
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| buffet | (noun) a piece of furniture that stands at the side of a dining room; has shelves and drawers | Synonyms: counter, sideboard |
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| (noun) usually inexpensive bar | Synonyms: snack bar, snack counter |
| (noun) a meal set out on a buffet at which guests help themselves | - |
| (verb) strike against forcefully | Synonyms: batter, knock about |
| (verb) strike, beat repeatedly | Synonyms: buff |
| buffeted | (adjective) pounded or hit repeatedly by storms or adversities | Synonyms: storm-tossed, tempest-swept, tempest-tossed, tempest-tost |
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| buffeting | (noun) repeated heavy blows | Synonyms: pounding |
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| bulblet | (noun) small bulb or bulb-shaped growth arising from the leaf axil or in the place of flowers | Synonyms: bulbil |
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| bullet | (noun) (baseball) a pitch thrown with maximum velocity | Synonyms: fastball, heater, hummer, smoke |
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| (noun) a projectile that is fired from a gun | Synonyms: slug |
| (noun) a high-speed passenger train | Synonyms: bullet train |
| bullethead | (noun) a head shaped like a bullet | - |
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| bulletin | (noun) a brief report (especially an official statement issued for immediate publication or broadcast) | - |
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| (verb) make public by bulletin | - |
| bulletproof | (adjective) not penetrable by bullets | - |
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| (adjective) without flaws or loopholes | Synonyms: ironclad, unassailable, unshakable, watertight |
| (verb) make bulletproof | - |
| buret | (noun) measuring instrument consisting of a graduated glass tube with a tap at the bottom; used for titration | Synonyms: burette |
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| burette | (noun) measuring instrument consisting of a graduated glass tube with a tap at the bottom; used for titration | Synonyms: buret |
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| cabaret | (noun) a series of acts at a night club | Synonyms: floor show, floorshow |
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| (noun) a spot that is open late at night and that provides entertainment (as singers or dancers) as well as dancing and food and drink | Synonyms: club, night club, nightclub, nightspot |
| cabasset | (noun) a metal helmet worn by common soldiers in the 16th century | Synonyms: morion |
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| cabinet | (noun) a piece of furniture resembling a cupboard with doors and shelves and drawers; for storage or display | - |
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| (noun) housing for electronic instruments, as radio or television | Synonyms: console |
| (noun) a storage compartment for clothes and valuables; usually it has a lock | Synonyms: locker, storage locker |
| (noun) persons appointed by a head of state to head executive departments of government and act as official advisers | - |
| cabinetmaker | (noun) a woodworker who specializes in making furniture | Synonyms: furniture maker |
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| cabinetmaking | (noun) the craft of a joiner | Synonyms: joinery |
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| cabinetry | (noun) the craft of making furniture (especially furniture of high quality) | Synonyms: cabinetwork |
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| cabinetwork | (noun) the craft of making furniture (especially furniture of high quality) | Synonyms: cabinetry |
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| (noun) woodwork finished by hand by a cabinetmaker | - |
| cabriolet | (noun) small two-wheeled horse-drawn carriage; with two seats and a folding hood | Synonyms: cab |
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| cachet | (noun) a seal on a letter | - |
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| (noun) an indication of approved or superior status | Synonyms: seal, seal of approval |
| (noun) a warrant formerly issued by a French king who could warrant imprisonment or death in a signed letter under his seal | Synonyms: lettre de cachet |
| cacoethes | (noun) an irrational but irresistible motive for a belief or action | Synonyms: mania, passion |
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