reckless

Definitions

Characterized by or showing a lack of caution or concern for the consequences of one's actions.

Heedless of danger or risk; rash.

Examples

His reckless driving caused a serious accident on the highway.

It was reckless of her to go hiking alone during such a severe storm.

The company's reckless financial decisions led to its eventual bankruptcy.

Synonyms

rash impulsive careless audacious heedless imprudent daring

Antonyms

cautious careful prudent thoughtful deliberate circumspect guarded