bluff, v. (Colloq.) [frighten], [deter], intimidate.
blunder, n. [bull], [error], [mistake], [impropriety], [slip], [solecism], faux pas.
blundering, a. [bungling], [awkward], [stupid], floundering.
blunt, a. [dull], obtuse; [abrupt], brusque, [unceremonious], [uncivil], ungracious, [discourteous]; [stupid], [stolid].
blunt, v. [dull], [deaden], [stupefy]; assuage, [alleviate], [mitigate].
blur, v. [dim], [bedim], [obscure]; sully, [blemish]; mackle, macule.
blur, n. [blot], indistinctness; mackle, macule.
blurred, a. indistinct, [obscure], [dim], bedimmed, sullied.
blurt, v. ejaculate.
blushing, n. blush, erubescence.