self-willed
adjective
• obstinately doing what one wants in spite of the wishes or orders of others.
• "the child may be very obstinate and self-willed"
Similar:
wilful,
contrary,
perverse,
uncooperative,
wayward,
headstrong,
stubborn,
stubborn as a mule,
obstinate,
obdurate,
pig-headed,
mulish,
intransigent,
recalcitrant,
refractory,
stiff-necked,
intractable,
unpersuadable,
ungovernable,
difficult,
disobedient,
insubordinate,
naughty,
cussed,
bloody-minded,
contumacious,