impetuous
im·pe·tuous
adjective
1.
characterized by undue haste and lack of thought or deliberation
- “a hotheaded decision”
- “liable to such impulsive acts as hugging strangers”
- “an impetuous display of spending and gambling”
- “madcap escapades”
- “brainish”
Origin
From Middle English impetuous, from Old French impetueux, from Late Latin impetuōsus (“violent”), from Latin impetus (“attack, violence”).
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.