from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Characterized by sudden and forceful energy or emotion; impulsive and passionate.
- adj. Having or marked by violent force: impetuous, heaving waves.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Making arbitrary decisions, especially in an impulsive and forceful manner.
- adj. Characterized by sudden and violent force.
from the GNU version of the Collaborative International Dictionary of English
- adj. Rushing with force and violence; moving with impetus; furious; forcible; violent
- adj. Vehement in feeling; hasty; passionate; violent.
from The Century Dictionary and Cyclopedia
- Having or characterized by great impetus; rushing with force and violence; acting with sudden, vehement, or rash energy; performed or delivered with sudden, overbearing force: as, an impetuous torrent; an impetuous charge or harangue.
- Synonyms Precipitate, hot, furious, vehement, passionate.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. characterized by undue haste and lack of thought or deliberation
- adj. marked by violent force
Middle English, violent, from Old French impetueux, from Late Latin impetuōsus, from Latin impetus, impetus; see impetus.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English, from Old French impetueux, from Late Latin impetuōsus ("violent"), from Latin impetus ("violence"). (Wiktionary)