| Bacchanal | a party animal; a drunken reveler; a drunken revelry or orgy |
| Baleful | menacing; threatening |
| Balk | to abruptly refuse (to do something); to stop short |
| Ballyhoo | sensational advertising or promotion; uproar |
| Balm | something that heals or soothes |
| Bandy | to toss back and forth; to exchange |
| Banter | an exchange of light, playful, teasing remarks |
| Baroque | extravagantly ornate; flamboyant in style |
| Barrage | a concentrated artillery bombardment over a wide area |
| Bauble | a gaudy trinket; a small, inexpensive ornament |
| Bedlam | a noisy uproar; a scene of wild confusion |
| Begrudge | to envy another’s possession or enjoyment of something; to be reluctant to give, or to give grudginly |
| Behest | command; order |
| Bemoan | to mourn about; to lament |
| Benediction | a blessing; an utterance of good wishes |
| Benighted | ignorant; unenlightened |
| Bestow | to present as a gift |
| Bilious | ill-tempered; cranky |
| Bivouac | a temporary encampment, especially of soldiers |
| Blanch | to turn pale; to cause to turn pale |
| Bland | mild; tasteless; dull |
| Blandishment | flattery |
| Bliss | perfect contentment; extreme joy |
| Bluster | to roar; to be loud |
| Bombast | pompous or pretentious talk or writing |
| Bon Vivant | a person who enjoys good food, good drink, and luxurious living |
| Bona Fide | sincere; done or made in good faith; authentic; genuine |
| Boon | a blessing; a benefit |
| Boor | a rude or churlish person |
| Booty | goods taken from an enemy in war; plunder; stolen or confiscated goods |
| Botch | to bungle; to ruin through poor or clumsy effort |
| Bracing | invigorating |
| Brandish | to wave or flourish in a menacing or vigorous fashion |
| Bravado | a false show or ostentatious show of bravery or defiance |
| Brawn | big muscles; great strength
|
| Brazen | impudent; bold |
| Breach |
a violation; a gap or break |
| Brink |
edge |
| Bristle | to stiffen with anger; to act in a way suggestive of an animal whose hair is standing on end; to appear in some way similar to hair standing on end |
| Bromide | a dull obvious overfamilar saying; a cliche |
| Brouhaha | uproar |
| Brusque | (adj.) abrupt, blunt, with no formalities |
| Buffoon | a joker, especially one who is coarse or acts like a clown |
Bulwark
| a wall used as a defensive fortification |
| Byzantine | extremely intricate or complicated in structure; having to do with the Byzantine Empire |
