insubordinate
1. [ adjective ] not submissive to authority
Examples:

"a history of insubordinate behavior" "insubordinate boys"

Related terms: subordinate rebellious mutinous contumacious disobedient defiant
2. [ adjective ] disposed to or engaged in defiance of established authority
Synonyms: resistive resistant
Related terms: defiant
Similar spelling:   insubordination