headstrong
Definitions
Self-willed and obstinate.
Inclined to exercise one's own will regardless of advice or reason.
Examples
Despite her parents' advice, the headstrong teenager insisted on pursuing a career in acting.
The headstrong horse refused to follow the path, choosing instead to gallop toward the open field.
His headstrong nature often led to conflicts with his colleagues during team meetings.
Synonyms
stubborn obstinate willful mulish pigheaded intractable recalcitrant
Antonyms
compliant amenable docile yielding submissive pliant flexible