| achillea | (noun) any of several plants of the genus Achillea native to Europe and having small white flowers in flat-topped flower heads | - |
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| aculea | (noun) small spiny outgrowth on the wings of certain insects | - |
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| azalea | (noun) any of numerous ornamental shrubs grown for their showy flowers of various colors | - |
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| bandleader | (noun) the leader of a dance band | - |
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| beleaguering | (noun) the action of an armed force that surrounds a fortified place and isolates it while continuing to attack | Synonyms: besieging, military blockade, siege |
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| bleach | (noun) the act of whitening something by bleaching it (exposing it to sunlight or using a chemical bleaching agent) | - |
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| (noun) the whiteness that results from removing the color from something | - |
| (noun) an agent that makes things white or colorless | Synonyms: blanching agent, bleaching agent, whitener |
| bleacher | (noun) a worker who bleaches (cloth or flour etc.) | - |
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| bleachers | (noun) (used in the plural) an outdoor grandstand without a roof; patrons are exposed to the sun as linens are when they are bleached | - |
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| bleakness | (noun) a bleak and desolate atmosphere | Synonyms: bareness, desolation, nakedness |
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| bleat | (noun) the sound of sheep or goats (or any sound resembling this) | - |
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| bloodleaf | (noun) any plant of the genus Iresine having colored foliage | - |
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| bougainvillea | (noun) any of several South American ornamental woody vines of the genus Bougainvillea having brilliant red or purple flower bracts; widely grown in warm regions | - |
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| calean | (noun) an oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water | Synonyms: chicha, hookah, hubble-bubble, hubbly-bubbly, kalian, narghile, nargileh, sheesha, shisha, water pipe |
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| cerulean | (noun) a light shade of blue | Synonyms: azure, lazuline, sapphire, sky-blue |
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| cheerleader | (noun) someone who leads the cheers by spectators at a sporting event | - |
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| (noun) an enthusiastic and vocal supporter | - |
| clean | (noun) a weightlift in which the barbell is lifted to shoulder height and then jerked overhead | Synonyms: clean and jerk |
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| cleaner | (noun) a preparation used in cleaning something | Synonyms: cleanser, cleansing agent |
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| (noun) someone whose occupation is cleaning | - |
| (noun) the operator of dry-cleaning establishment | Synonyms: dry cleaner |
| cleaners | (noun) shop where dry cleaning is done | Synonyms: dry cleaners |
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| cleaning | (noun) the act of making something clean | Synonyms: cleansing, cleanup |
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| cleanliness | (noun) diligence in keeping clean | - |
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| (noun) the habit of keeping free of superficial imperfections | - |
| cleanness | (noun) the state of being clean; without dirt or other impurities | - |
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| (noun) without moral defects | - |
| cleanser | (noun) a preparation used in cleaning something | Synonyms: cleaner, cleansing agent |
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| cleansing | (noun) the act of making something clean | Synonyms: cleaning, cleanup |
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| cleanup | (noun) the act of making something clean | Synonyms: cleaning, cleansing |
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| (noun) (baseball) the fourth position in the batting order (usually filled by the best batter on the team) | Synonyms: cleanup position, cleanup spot |
| (noun) a very large profit | Synonyms: killing |
| clear | (noun) a clear or unobstructed space or expanse of land or water | Synonyms: open |
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| (noun) the state of being free of suspicion | - |
| clearance | (noun) permission to proceed | - |
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| (noun) the distance by which one thing clears another; the space between them | - |
| (noun) vertical space available to allow easy passage under something | Synonyms: headroom, headway |
| clearcutness | (noun) clarity as a consequence of precision | Synonyms: preciseness |
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| clearing | (noun) the act of freeing from suspicion | - |
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| (noun) the act of removing solid particles from a liquid | Synonyms: clarification |
| (noun) a tract of land with few or no trees in the middle of a wooded area | Synonyms: glade |
| clearness | (noun) free from obscurity and easy to understand; the comprehensibility of clear expression | Synonyms: clarity, limpidity, lucidity, lucidness, pellucidity |
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| (noun) the quality of clear water | Synonyms: clarity, uncloudedness |
| clearstory | (noun) part of an interior wall rising above the adjacent roof with windows admitting light | Synonyms: clerestory |
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| clearway | (noun) a road on which you are not allowed to stop (unless you have a breakdown) | - |
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| clearweed | (noun) a plants of the genus Pilea having drooping green flower clusters and smooth translucent stems and leaves | Synonyms: dead nettle, Pilea pumilla, richweed |
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| cleat | (noun) a strip of wood or metal used to strengthen the surface to which it is attached | - |
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| (noun) a fastener (usually with two projecting horns) around which a rope can be secured | - |
| (noun) a metal or leather projection (as from the sole of a shoe); prevents slipping | - |
| cleats | (noun) shoes with leather or metal projections on the soles | - |
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| cleavage | (noun) the act of cleaving or splitting | - |
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| (noun) the line formed by a groove between two parts (especially the separation between a woman's breasts) | - |
| (noun) (embryology) the repeated division of a fertilised ovum | Synonyms: segmentation |
| (noun) the breaking of a chemical bond in a molecule resulting in smaller molecules | - |
| (noun) the state of being split or cleft | - |
| cleaver | (noun) a butcher's knife having a large square blade | Synonyms: chopper, meat cleaver |
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| cleavers | (noun) annual having the stem beset with curved prickles; North America and Europe and Asia | Synonyms: catchweed, clivers, Galium aparine, goose grass, spring cleavers |
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| cloverleaf | (noun) an interchange that does not require left-hand turns | - |
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| cochlea | (noun) the snail-shaped tube (in the inner ear coiled around the modiolus) where sound vibrations are converted into nerve impulses by the organ of Corti | - |
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| colleague | (noun) an associate that one works with | Synonyms: co-worker, fellow worker, workfellow |
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| (noun) a person who is member of one's class or profession | Synonyms: confrere, fellow |
| counterplea | (noun) a plaintiff's reply to a defendant's plea | - |
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| displeasure | (noun) the feeling of being displeased or annoyed or dissatisfied with someone or something | - |
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| endonuclease | (noun) a nuclease that cleaves nucleic acids at interior bonds and so produces fragments of various sizes | - |
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| enucleation | (noun) surgical removal of something without cutting into it | - |
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| exonuclease | (noun) a nuclease that releases one nucleotide at a time (serially) beginning at one of a nucleic acid | - |
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| fairlead | (noun) a pulley-block used to guide a rope forming part of a ship's rigging to avoid chafing | - |
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| flea | (noun) any wingless bloodsucking parasitic insect noted for ability to leap | - |
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| fleabag | (noun) a run-down hotel | - |
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| fleabane | (noun) hairy perennial Eurasian herb with yellow daisylike flowers reputed to destroy or drive away fleas | Synonyms: feabane mullet, Pulicaria dysenterica |
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| (noun) any of several North American plants of the genus Erigeron having daisylike flowers; formerly believed to repel fleas | - |
| (noun) common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron | Synonyms: Canadian fleabane, Conyza canadensis, Erigeron canadensis, horseweed |
| fleapit | (noun) an old shabby movie theater | - |
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| fleawort | (noun) plantain of Mediterranean regions whose seeds swell and become gelatinous when moist and are used as a mild laxative | Synonyms: Plantago psyllium, psyllium, Spanish psyllium |
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| flyleaf | (noun) a blank leaf in the front or back of a book | - |
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| galea | (noun) an organ shaped like a helmet; usually a vaulted and enlarged petal as in Aconitum | - |
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| gleam | (noun) an appearance of reflected light | Synonyms: gleaming, glow, lambency |
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| (noun) a flash of light (especially reflected light) | Synonyms: gleaming, glimmer |
| gleaming | (noun) an appearance of reflected light | Synonyms: gleam, glow, lambency |
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| (noun) a flash of light (especially reflected light) | Synonyms: gleam, glimmer |
| gleaner | (noun) someone who picks up grain left in the field by the harvesters | - |
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| (noun) someone who gathers something in small pieces (e.g. information) slowly and carefully | - |
| grevillea | (noun) any shrub or tree of the genus Grevillea | - |
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| heartleaf | (noun) evergreen low-growing perennial having mottled green and silvery-grey heart-shaped pungent leaves; Virginia to South Carolina | Synonyms: Asarum virginicum, heart-leaf |
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| (noun) wild ginger having persistent heart-shaped pungent leaves; West Virginia to Alabama | Synonyms: Asarum shuttleworthii, heart-leaf |
| housecleaning | (noun) the act of cleaning the rooms and furnishings of a house | - |
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| (noun) (figurative) the act of reforming by the removal of unwanted personnel or practices or conditions | - |
| interleaf | (noun) a blank leaf inserted between the leaves of a book | - |
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| jellyleaf | (noun) herb widely distributed in tropics and subtropics used for forage and medicinally as a demulcent and having a fine soft bast stronger than jute; sometimes an aggressive weed | Synonyms: Queensland hemp, Sida rhombifolia |
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| lea | (noun) a field covered with grass or herbage and suitable for grazing by livestock | Synonyms: grazing land, ley, pasture, pasture land, pastureland |
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| (noun) a unit of length of thread or yarn | - |
| leach | (noun) the process of leaching | Synonyms: leaching |
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| leaching | (noun) the process of leaching | Synonyms: leach |
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| lead | (noun) the playing of a card to start a trick in bridge | - |
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| (noun) a position of being the initiator of something and an example that others will follow (especially in the phrase `take the lead') | - |
| (noun) a jumper that consists of a short piece of wire | Synonyms: booster cable, jumper cable, jumper lead |
| (noun) thin strip of metal used to separate lines of type in printing | Synonyms: leading |
| (noun) restraint consisting of a rope (or light chain) used to restrain an animal | Synonyms: leash, tether |
| (noun) the timing of ignition relative to the position of the piston in an internal-combustion engine | Synonyms: spark advance |
| (noun) an advantage held by a competitor in a race | - |
| (noun) evidence pointing to a possible solution | Synonyms: track, trail |
| (noun) a news story of major importance | Synonyms: lead story |
| (noun) the introductory section of a story | Synonyms: lead-in, lede |
| (noun) an indication of potential opportunity | Synonyms: confidential information, hint, steer, tip, wind |
| (noun) (baseball) the position taken by a base runner preparing to advance to the next base | - |
| (noun) an actor who plays a principal role | Synonyms: principal, star |
| (noun) (sports) the score by which a team or individual is winning | - |
| (noun) the angle between the direction a gun is aimed and the position of a moving target (correcting for the flight time of the missile) | - |
| (noun) mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil | Synonyms: pencil lead |
| (noun) a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey | Synonyms: atomic number 82, Pb |
| leader | (noun) a featured article of merchandise sold at a loss in order to draw customers | Synonyms: drawing card, loss leader |
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| (noun) a person who rules or guides or inspires others | - |
| leaders | (noun) the body of people who lead a group | Synonyms: leadership |
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| leadership | (noun) the activity of leading | Synonyms: leading |
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| (noun) the ability to lead | - |
| (noun) the body of people who lead a group | Synonyms: leaders |
| (noun) the status of a leader | - |
| leading | (noun) thin strip of metal used to separate lines of type in printing | Synonyms: lead |
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| (noun) the activity of leading | Synonyms: leadership |
| leadplant | (noun) shrub of sandy woodlands and stream banks of western United States having hoary pinnate flowers and dull-colored racemose flowers; thought to indicate the presence of lead ore | Synonyms: Amorpha canescens, lead plant |
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| leadwort | (noun) a plant of the genus Plumbago with blue flowers | Synonyms: Plumbago europaea |
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| leaf | (noun) hinged or detachable flat section (as of a table or door) | - |
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| (noun) a sheet of any written or printed material (especially in a manuscript or book) | Synonyms: folio |
| (noun) the main organ of photosynthesis and transpiration in higher plants | Synonyms: foliage, leafage |
| leafage | (noun) the main organ of photosynthesis and transpiration in higher plants | Synonyms: foliage, leaf |
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| leafhopper | (noun) small leaping insect that sucks the juices of plants | - |
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| leafing | (noun) (botany) the process of forming leaves | Synonyms: foliation |
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| leaflet | (noun) a thin triangular flap of a heart valve | Synonyms: cusp |
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| (noun) a small book usually having a paper cover | Synonyms: booklet, brochure, folder, pamphlet |
| (noun) part of a compound leaf | - |
| leafstalk | (noun) the slender stem that supports the blade of a leaf | Synonyms: petiole |
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| league | (noun) an association of states or organizations or individuals for common action | - |
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| (noun) an association of sports teams that organizes matches for its members | Synonyms: conference |
| (noun) an obsolete unit of distance of variable length (usually 3 miles) | - |
| leak | (noun) unauthorized (especially deliberate) disclosure of confidential information | Synonyms: news leak |
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| (noun) the discharge of a fluid from some container | Synonyms: escape, leakage, outflow |
| (noun) an accidental hole that allows something (fluid or light etc.) to enter or escape | - |
| (noun) a euphemism for urination | Synonyms: making water, passing water, wetting |
| (noun) soft watery rot in fruits and vegetables caused by fungi | - |
| leakage | (noun) the discharge of a fluid from some container | Synonyms: escape, leak, outflow |
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| leaker | (noun) a surreptitious informant | - |
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| leakiness | (noun) the condition of permitting leaks or leakage | - |
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| lean | (noun) the property possessed by a line or surface that departs from the vertical | Synonyms: inclination, leaning, list, tilt |
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| leaner | (noun) (horseshoes) the throw of a horseshoe so as to lean against (but not encircle) the stake | - |
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| leaning | (noun) the act of deviating from a vertical position | - |
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| (noun) the property possessed by a line or surface that departs from the vertical | Synonyms: inclination, lean, list, tilt |
| (noun) a natural inclination | Synonyms: proclivity, propensity |
| (noun) an inclination to do something | Synonyms: propensity, tendency |
| leanness | (noun) the property of having little body fat | Synonyms: spareness, thinness |
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| (noun) the quality of being meager | Synonyms: exiguity, meagerness, meagreness, poorness, scantiness, scantness |
| leap | (noun) a light, self-propelled movement upwards or forwards | Synonyms: bounce, bound, leaping, saltation, spring |
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| (noun) the distance leaped (or to be leaped) | - |
| (noun) an abrupt transition | Synonyms: jump, saltation |
| (noun) a sudden and decisive increase | Synonyms: jump |
| leaper | (noun) someone who bounds or leaps (as in competition) | Synonyms: bounder |
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| leapfrog | (noun) a game in which one child bends down and another leaps over | - |
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| (noun) advancing as if in the child's game, by leaping over obstacles or competitors | - |
| leaping | (noun) a light, self-propelled movement upwards or forwards | Synonyms: bounce, bound, leap, saltation, spring |
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| learnedness | (noun) profound scholarly knowledge | Synonyms: encyclopaedism, encyclopedism, eruditeness, erudition, learning, scholarship |
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| learner | (noun) someone (especially a child) who learns (as from a teacher) or takes up knowledge or beliefs | Synonyms: assimilator, scholar, student |
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| (noun) works for an expert to learn a trade | Synonyms: apprentice, prentice |
| learning | (noun) the cognitive process of acquiring skill or knowledge | Synonyms: acquisition |
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| (noun) profound scholarly knowledge | Synonyms: encyclopaedism, encyclopedism, eruditeness, erudition, learnedness, scholarship |
| lease | (noun) a contract granting use or occupation of property during a specified time for a specified payment | - |
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| (noun) property that is leased or rented out or let | Synonyms: letting, rental |
| (noun) the period of time during which a contract conveying property to a person is in effect | Synonyms: term of a contract |
| leasehold | (noun) land or property held under a lease | - |
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| leaseholder | (noun) a tenant who holds a lease | Synonyms: lessee |
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| leash | (noun) a figurative restraint | Synonyms: collar |
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| (noun) restraint consisting of a rope (or light chain) used to restrain an animal | Synonyms: lead, tether |
| (noun) the cardinal number that is the sum of one and one and one | Synonyms: 3, deuce-ace, III, tercet, ternary, ternion, terzetto, three, threesome, tierce, trey, triad, trine, trinity, trio, triplet, troika |
| least | (noun) something that is of no importance | - |
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| leather | (noun) an animal skin made smooth and flexible by removing the hair and then tanning | - |
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| leatherback | (noun) wide-ranging marine turtle with flexible leathery carapace; largest living turtle | Synonyms: Dermochelys coriacea, leatherback turtle, leathery turtle |
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