discordant
aggressive
alienated
argumentative
at loggerheads
at odds
bellicose
belligerent
bickering
breakaway
combative
conflicting
contending
contentious
contumacious
disaffected
disagreeing
disputatious
dissentient
divisive
eristic
estranged
extreme
extremistic
factional
fighting
insurgent
insurrectionary
irascible
irritable
litigious
mutineering
mutinous
partisan
polarizing
polemic
pugnacious
quarrelsome
rebel
rebellious
refractory
revolutional
revolutionary
riotous
seditionary
seditious
shrewish
subversive
traitorous
agrarian
avaricious
bigoted
disorderly
fanatical
headstrong
lawless
licentious
perfidious
profligate
sanguinary
sectarian
turbulent
tyrannical
unscrupulous
unseemly
venal
vindictive