impetuous
Americanadjective
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liable to act without consideration; rash; impulsive
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resulting from or characterized by rashness or haste
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poetic moving with great force or violence; rushing
the impetuous stream hurtled down the valley
Synonym Usage
Impetuous, impulsive both refer to persons who are hasty and precipitate in action, or to actions not preceded by thought. Impetuous suggests eagerness, violence, rashness: impetuous vivacity; impetuous desire; impetuous words. Impulsive emphasizes spontaneity and lack of reflection: an impulsive act of generosity.
Other Word Forms
Etymology
Origin of impetuous
First recorded in 1350–1400; Middle English, from Anglo-French, from Late Latin impetuōsus, equivalent to Latin impetu(s) “an attack” + -ōsus adjective suffix; see origin at impetus, -ous
Explanation
Someone impetuous acts too hastily or carelessly. Hotheaded, impulsive folks are impetuous. If you're a careful person who thinks everything through and doesn't act rashly, then you're not very impetuous. Impetuous has to do with doing things on the spur of the moment — and not good things. Being impetuous usually goes along with being impatient and easily angered. If you're impetuous, you act quickly and thoughtlessly when you should just take a deep breath, relax, and think about the best thing to do.
Vocabulary lists containing impetuous
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300 Most Difficult "SAT" Words
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Essential Academic Vocabulary for High School Students, List 3
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Impetuous decisions are to Don as spinach is to Popeye.
From Slate • May 6, 2013
Impetuous and wiry, the performance opened with an undulant sway that was instantly seductive; the third movement brought quiet playing of an integrity and intensity that proved utterly gripping.
From New York Times • Apr. 15, 2012
Impetuous, Herr Bugg-Moe fired upon the squirrel without pondering his aim.
From Time Magazine Archive
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Impetuous, he was apt to use a pickaxe.
From Time Magazine Archive
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But Susa, the Swift, the Brave, the Impetuous, the Long-Haired, the Thrice Unhappy, the Lord of the Sea, him the deities arraigned to stand trial in the dry bed of the Tranquil River of Heaven.
From Japanese Fairy Tales by James, Grace
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.