accuse criticize denounce disagree fret gripe grumble lament moan object oppose protest ascribe attack beef bellyache bemoan bewail bitch carp cavil charge contravene defy demur deplore deprecate differ disapprove dissent expostulate fuss gainsay grieve groan grouse growl impute indict lay nag refute remonstrate repine reproach snivel wail whimper whine yammer find fault kick up a fuss look askance make a fuss sound off take exception to