Bonus. Premium, douceur, boon, benefit.
Ant. Fine, penalty, discount, mulct.
Booby. Dunce, idiot, numskull.
Ant. Wiseacre, solon, oracle.
Bookish. Pedantic, studious, learned, erudite, educated.
Ant. Illiterate, ignorant.
Boor. Rustic, clown, lout, peasant, countryman, plowman, swain, bumpkin.
Ant. Gentleman, courtier.
Boorish. Rude, rustic, clownish, loutish, ungainly, awkward, coarse, rough, gawky.
Ant. Polite, civil, polished, urbane, courtly, affable, gracious.