Synonyms of impetuous in English:

impetuous


See US English definition of impetuous

See UK English definition of impetuous

See Spanish definition of impetuoso

adjective

1‘she might live to regret this impetuous decision’

SYNONYMS
impulsive, rash, hasty, overhasty, reckless, heedless, foolhardy, incautious, imprudent, injudicious, ill-conceived, ill-considered, unplanned, unreasoned, unthought-out, unthinking
spontaneous, impromptu, spur-of-the-moment, precipitate, precipitous, headlong, hurried, rushed
ANTONYMS

cautious, considered

2‘an impetuous flow of water’

SYNONYMS
torrential, powerful, forceful, vigorous, violent, raging, rampant, relentless, unrestrained, uncontrolled, unbridled
rapid, fast, fast-flowing, rushing
ANTONYMS

sluggish, weak