Blot out. Erase, cancel, expunge, obliterate, efface, destroy, wipe out.
Ant. Restore, replace.
Blow, n. Knock, thump, stroke, box, buffet, calamity, cuff, cut, concussion, disaster, lash, misfortune, rap, shock, stroke, wound, affliction, blast, gale, gust; disappointment.
Ant. Relief, comfort, blessing, consolation, assuagement.
Bluff. Abrupt, blunt, inconsiderate, open, rough, unmannerly, uncivil, blustering, bold, brusque, coarse, discourteous, frank, impolite, plain-spoken, rude.
Ant. Bland, courteous, genial, polite, refined, reserved, urbane, polished.
Blunder. Error, mistake, misunderstanding, fault, slip, oversight, inaccuracy, delusion.
Ant. Accuracy, correctness, truthfulness, exactness, ratification, foresight, achievement, success, correction.
Blunt, a. Obtuse, dull, pointless, edgeless, brusk, abrupt, plain, informal, stupid, stolid.
Ant. Sharp, keen, acute, sensitive, polished, courteous, refined.