carp beef complain grouch grouse grumble moan nitpick quibble bleat censure condemn decry denounce whine bellyache criticise criticize fuss gripe niggle object create knock mither pettifog nag grizzle grump inveigh mutter wail growl scream keen caterwaul whimper repine squeal crab holler murmur squawk yowl croak maunder yamm kick yawp yaup protest chirp twine reproach grieve groan bewail lament oppose natter crib argue deplore bemoan scold remonstrate charge snivel dissent disparage sigh peck bother pan objurgate sulk query demur fret gainsay indict contravene defy impute accuse deprecate attack disapprove refute ascribe expostulate lay differ disagree fault rant fulminate pule spout bluster