domineering
arbitrary
arrogant
oppressive
overbearing
violent
willful
atrocious
autocratic
cavalier
coercive
dastardly
dictatorial
drastic
impolitic
insubordinate
lawless
nefarious
overbear
peremptory
perfidious
treasonable
tyrannical
unconventional
unheard-of
unwarrantable
wrongful