(a.) Disposed to rebel; insubordinate; defiant\; of the nature of rebels or of rebellion; resisting government or lawful authority by force.

alienated beefing bellyaching bitching breakaway complaining complaintful contumacious crabbing crabby cranky croaking defiant difficult disaffected disappointed discontented disgruntled disobedient displeased disputatious disputing dissatisfied dissentient dissenting envious estranged extreme extremistic factious faultfinding fractious griping grouchy grousing growling grumbling incorrigible insubordinate insurgent insurrectionary malcontent malcontented murmuring mutineering mutinous muttering noncooperative objecting obstinate obstructive on the barricades out of humor peevish petulant proof against protesting querulant querulous rebel recalcitrant refractory reluctant renitent repellent resentful resistant resisting resistive restive restless retardant retardative revolutional revolutionary riotous seditionary seditious stubborn subversive sulky traitorous treasonable turbulent unaccepting unaccommodating uncooperative uneasy unfulfilled ungovernable ungratified unhappy unmanageable unruly unsatisfied unsubmissive unyielding up in arms whiny withstanding