impulsive

Definitions

Acting or done without forethought.

Tending to act on sudden urges or inclinations.

Examples

He made an impulsive decision to quit his job and travel the world.

Her impulsive nature often leads her to buy things she does not need.

It was an impulsive act that he later came to regret deeply.

Synonyms

spontaneous rash hasty impetuous reckless abrupt unplanned

Antonyms

cautious deliberate planned thoughtful prudent calculated measured