headstrong
adjective
[ ˈhɛdstrɒŋ ]
• energetically wilful and determined.
• "the headstrong impulsiveness of youth"
Similar:
wilful,
self-willed,
strong-willed,
contrary,
perverse,
wayward,
unruly,
refractory,
ungovernable,
unyielding,
stubborn,
obstinate,
obdurate,
reckless,
heedless,
rash,
capricious,
impulsive,
wild,
