insubordinate (adj.)
- contrary
- contumacious
- defiant
- disaffected
- disobedient
- dissentious
- extremist
- factious
- fractious
- headstrong
- heady
- indocile
- insurgent
- insurrectional
- insurrectionary
- intractable
- irresponsible
- lawless
- licentious
- malcontent
- maverick
- mutinous
- nonconformist
- obstreperous
- perverse
- rampant
- rebellious
- recalcitrant
- refractory
- revolutionary
- seditious
- self-willed
- subversive
- unaccountable
- unbridled
- unchecked
- uncontrolled
- uncooperative
- uncurbed
- undisciplined
- ungovernable
- ungoverned
- unrestrained
- unruly
- unsubmissive
- wildcat
- willful