adj
impetuous
eem-PEHT-shoo-uhs
adj
1
Acting suddenly and without careful thought, often forcefully.
"His impetuous decision to quit cost him the promotion."
"As a young man he was impetuous and quick to anger."
How to Use Impetuous
Learner’s notesIn plain EnglishActing on impulse, without stopping to think things through.
Easily confused with
Common pairings
impetuous behaviour
an impetuous youth
Word Forms
more impetuous comparative, most impetuous superlative
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Etymology
From Late Latin impetuosus ("violent"), from Latin impetus ("attack, force").