Synonyms: defiant, noncompliant
Definition: boldly resisting authority or an opposing force
Usage: brought up to be aggressive and defiant; a defiant attitude
Similar words: resistant, resistive, insubordinate
Definition: disposed to or engaged in defiance of established authority
Similar words: obstreperous
Definition: noisily and stubbornly defiant
Usage: obstreperous boys
Similar words: recalcitrant
Definition: marked by stubborn resistance to authority
Usage: the University suspended the most recalcitrant demonstrators