misbehave

Synonyms: act up be at fault be bad be dissolute be guilty be immoral be indecorous be insubordinate be mischievous bend the law be out of line be out of order be reprehensible carry on cut up deviate do evil do wrong fail fool around get into mischief go astray go wrong make trouble misconduct offend roughhouse sin sow wild oats take a wrong turn transgress trespass

Antonyms: behave obey