Insubordinate \In`sub*or"di*nate\, a. Not submitting to authority; disobedient; rebellious; mutinous. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

65 Moby Thesaurus words for "insubordinate": agitator, brawler, contrary, contumacious, defiant, disaffected, disobedient, dissentious, extremist, factious, fractious, frondeur, headstrong, heady, incompliant, indocile, insurgent, insurrectional, insurrectionary, insurrectionist, insurrecto, intractable, irresponsible, lawless, licentious, malcontent, maverick, mutineer, mutinous, nonconformist, noncooperating, noncooperative, obstreperous, perverse, rampant, rebel, rebellious, recalcitrant, refractory, reinless, revolter, revolutionary, revolutionist, rioter, seditious, self-willed, subversive, traitor, unaccountable, unbridled, unchecked, uncompliant, uncomplying, uncontrolled, uncooperative, uncurbed, undisciplined, ungovernable, ungoverned, unreined, unrestrained, unruly, unsubmissive, wildcat, willful

Source: Moby Thesaurus II by Grady Ward, 1.0
 

insubordinate adj
1: not submissive to authority; "a history of insubordinate behavior"; "insubordinate boys" [ant: subordinate]
2: disposed to or engaged in defiance of established authority [syn: resistant, resistive]

Source: WordNet (r) 2.0
 

Insubordinate \In`sub*or"di*nate\, a. Not submitting to authority; disobedient; rebellious; mutinous.

Source: Webster's Revised Unabridged Dictionary (1913)