Blink. Wink, ignore, connive, overlook.
Ant. Notice, note, mark.
Bliss. Blessedness, happiness, joy, ecstasy, rapture, felicity, beatitude.
Ant. Torment, woe, suffering, misery, accursedness.
Blithe. Merry, joyous, cheerful, gay, lively, airy, sportive, blithesome, mirthful, jocund, elated, vivacious, joyful.
Ant. Dejected, heavy, dull, sullen.
Block. Obstruct, arrest, stop, fill.
Ant. Free, open, clear.
Blockhead. Dunce, dolt, stupid fellow, numskull, ninny, simpleton, ignoramus, dullard, booby.
Ant. Sage, adept, savant, philosopher, schoolman, luminary.