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— bivalve adjective

1bivouac noun [ORIGIN: F, fr. LG biwacht, fr. bi at + wacht guard]

: a temporary encampment or shelter

Synonyms

camp, encampment—more at CAMP

2bivouac verb -ouacked; -ouack·ing : to form a bivouac : CAMP

1biweekly adjective 1 : occurring twice a week

2 : occurring every two weeks : FORTNIGHTLY

— biweekly adverb

2biweekly noun : a biweekly publication

bi·year·ly adjective 1 : BIANNUAL

2 : BIENNIAL

bi·zarre adjective : strikingly out of the ordinary: as

a : odd, extravagant, or eccentric in style or mode

b : involving sensational contrasts or incongruities : FANTASTIC

— bi·zarre·ly adverb

Synonyms

[a] curious, far-out, funny, odd, outlandish, peculiar, quaint, queer, quirky, screwy, strange, weird

[b] absurd, crazy, fanciful, fantastic, foolish, insane, nonsensical, preposterous, unreal, wild—more at FANTASTIC

bk abbreviation 1 bank

2 book

Bk symbol berkelium

bkg abbreviation banking

bkgd abbreviation background

bks abbreviation barracks

bkt abbreviation 1 basket

2 bracket

bl abbreviation 1 bale

2 barrel

3 blue

blab verb blabbed; blab·bing 1 : to talk idly or thoughtlessly

2 : to reveal a secret esp. by indiscreet chatter : TATTLE, GOSSIP

Synonyms

babble, chat, chatter, gab, gabble, prattle, rap, rattle, run on, talk

1black adjective 1 : of the color black; also : very dark

2 : SWARTHY

3 : of or relating to various groups of dark-skinned people

4 : of or relating to the African-American people or their culture

5 : SOILED, DIRTY

6 : lacking light

7 : thoroughly sinister or evil : WICKED <~ magic>

8 : very sad, gloomy, or calamitous : DISMAL

9 : SULLEN

— black·ish adjective

— black·ly adverb

Synonyms

[1] ebony, raven; also dark, dusky, inky

Antonyms

white

[7] bad, evil, immoral, iniquitous, nefarious, rotten, sinful, unethical, unsavory, vicious, vile, villainous, wicked, wrong

[8] bleak, dark, depressing, dismal, dreary, gloomy, glum, gray, miserable, somber, sullen, wretched—more at GLOOMY

2black noun 1 : a black pigment or dye; also : something (as clothing) that is black

2 : the characteristic color of soot or coal

3 : a person of a dark-skinned race

4 : AFRICAN-AMERICAN

3black verb : BLACKEN

black·a·moor noun : a dark-skinned person

black–and–blue adjective : darkly discolored from blood effused by bruising

black·ball verb 1 : to vote against; especially : to exclude from membership by casting a negative vote

2 : OSTRACIZE

— black·ball noun

Synonyms

kill, negative, veto—more at NEGATIVE

black bass noun : any of several freshwater sunfishes native to eastern and central No. America

black bear noun : a usu. black-furred bear of the N. American forests

1black belt noun, often cap both Bs : an area densely populated by blacks

2black belt noun : one who holds the rating of expert (as in judo or karate); also : the rating itself

black·ber·ry noun : the usu. black or purple juicy but seedy edible fruit of various brambles; also : a plant bearing this fruit

black·bird noun : any of various birds (as the red-winged blackbird) of which the male is largely or wholly black

black·board noun : a smooth usu. dark surface used for writing or drawing on with chalk

black·body noun : a body or surface that completely absorbs incident radiation with no reflection

black box noun 1 : a usu. complicated electronic device whose components and workings are unknown or mysterious to the user

2 : a device used in aircraft to record cockpit conversations and flight data

black death noun : an epidemic of bacterial plague and esp. bubonic plague that spread rapidly in Europe and Asia in the 14th century

black·en verb black·ened; black·en·ing 1 : to make or become black or dark

2 : to speak evil of : DEFAME

Synonyms

[1] becloud, cloud, darken, dim, obscure, overcast, overshadow, shadow