- of, relating to, or characterized by sudden or rash action, emotion, etc.; impulsive: an impetuous decision; an impetuous person.
- having great impetus; moving with great force; violent: the impetuous winds.
Origin of impetuous
SynonymsSee more synonyms for impetuous on Thesaurus.com
Examples from the Web for impetuousness
The same brash arrogance and impetuousness applied to criminal cases rather than flame wars has had real consequences.The New Vigilantes
October 19, 2013
"We forgive much to the impetuousness of youth," said he, very coldly.Love-at-Arms
I would have rushed on it with a boy's impetuousness, but he stopped me with a hand on the sleeve.John Splendid
The glistening youth of Aaron, the impetuousness of Lilly fascinated him.Aaron's Rod
D. H. Lawrence
She was not being facetious, for in her impetuousness she had tried, and broken the umbrella.Rich Relatives
That is, the impetuousness of his thought makes one aware of how his instinct is struggling for the solution of his difficulties.The Critical Game
John Albert Macy
- liable to act without consideration; rash; impulsive
- resulting from or characterized by rashness or haste
- poetic moving with great force or violence; rushingthe impetuous stream hurtled down the valley
Word Origin and History for impetuousness
late 14c., "hot-tempered, fierce," from Old French impetuos (13c.) and directly from Late Latin impetuosus "impetuous, violent," from Latin impetus "attack" (see impetus). Related: Impetuously; impetuousness.