| Term | Definition |
| blunder | (n) error |
| blurt | (v) utter impulsively |
| bluster | (v) blow in heavy gusts; threaten emptily |
| bode | (v) foreshadow; portend |
| bogus | (adj) counterfeit; not authentic |
| bohemian | (adj) unconventional (in an artistic way) |
| boisterous | (adj) violent; rough; noisy |
| bolster | (v) support; reinforce |
| bolt | (n) door bar; fastening pin or screw; length of fabric |
| bolt | (v) dash or dart off; fasten (a door); gobble down |
| bombardment | (n) attack with missiles |
| bombastic | (adj) pompous; using inflated language |
| booming | (adj) deep and resonant; flourishing, thriving |
| boon | (n) blessing; benefit |
| boorish | (adj) rude; insensitive |
| boundless | (adj) unlimited; vast |
| bountiful | (adj) abundant; graciously generous |
| bourgeois | (adj) middle class; selfishly materialistic; dully conventional |
| bovine | (adj) cowlike; placed and dull |
| bowdlerize | (v) expurgate |
| boycott | (v) regrain from buying or using |
| braggart | (n) boaster |
| brandish | (v) wave around; flourish |
| bravado | (n) swagger; assumed air of defiance |
| brawn | (n) muscular strength; sturdiness |
| brazen | (adj) insolent |
| breach | (n) breaking of contract or duty; fissure or gap |
| breadth | (n) width; extent |
| brevity | (n) conciseness |
| brindled | (adj) tawny or grayish with streaks or spots |
| bristling | (adj) rising like bristles; showing irritation |
| brittle | (adj) easily broken; difficult |
| broach | (v) introduce; open up |
| brochure | (n) pamphlet |
| brooch | (n) ornamental clasp |
| browbeat | (v) bully; intimidate |
| browse | (v) graze; skim or glance at casually |
| brunt | (n) main impact or shock |
| brusque | (adj) blunt; abrupt |
| buccaneer | (n) pirate |
| bucolic | (adj) rustic; pastoral |
| buffet | (n) table with food set out for people to serve themselves; meal at which people help themselves to food that's been set out |
| buffoonery | (n) clowning |
| bullion | (n) gold and silver in the form of bars |
| bulwark | (n) earthword or other strong defense; person who defends |
| bumptious | (adj) self-assertive |
| bungalow | (n) small cottage |
| bungle | (v) mismanage; blunder |
| buoyant | (adj) able to float; cheerful and optimistic |
| bureaucracy | (n) over-regulated administrative system marked by red tape |
| burgeon | (v) grow forth; send out buds |
| burlesque | (v) give an imitation that ridicules |
| burly | (adj) husky; muscular |
| burnish | (v) make shiny by rubbing; polish |
| bustle | (v) move about energetically; teem |
| buttress | (v) support; prop up |
| buxom | (adj) plump; full-bosomed |
| cabal | (n) small group of persons secretlyunited to promote their own interests |
| cache | (n) hiding place |
| cacophonous | (adj) discordant; inharmonious |
| cadaver | (n) corpse |
| cadaverous | (adj) like a corpse; pale |
| cadence | (n) rhythmic rise and fall (of words or sounds); beat |
| cajole | (v) coax; wheedle |
| calamity | (n) disaster; misery |
| calculated | (adj) deliberately planned; likely |
| caldron | (n) large kettle |
| caliber | (n) ability; quality |
| calligraphy | (n) beautiful writing; excellent penmanship |
| callous | (adj) hardened; unfeeling |
| callow | (adj) youthful; immature; inexperienced |
| calorific | (adj) heat-producing |
| calummy | (n) malicious misrepresentation; slander |
| camaraderie | (n) good fellowship |
| cameo | (n) shell or jewel carved in relief; star's special appearance in a minor role in a film |
| camoflage | (v) disguise; conceal |
| candor | (n) frankness; open honesty |
| canine | (adj) related to dogs; dog-like |
| canny | (adj) shrewd; thrifty |
| cant | (n) insincere expressions of piety; jargon of thieves |
| cantankerous | (adj) ill humored; irritable |
| cantata | (n) story set to music, to be sung by a chorus |
| canter | (n) slow gallop |