underestimate
Americanverb (used with object)
verb (used without object)
noun
verb
-
to make too low an estimate of
he underestimated the cost
-
to think insufficiently highly of
to underestimate a person
noun
Usage
Underestimate is sometimes wrongly used where overestimate is meant: the importance of his work cannot be overestimated (not cannot be underestimated )
Other Word Forms
- underestimation noun
Etymology
Origin of underestimate
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.
Traders should not underestimate what a long weekend could bring.
From Barron's • Apr. 3, 2026
When she leaves - 27 years later - she'll act as a mentor for new MSPs after the election and will tell them not to underestimate what can be achieved.
From BBC • Mar. 22, 2026
Never underestimate the passion of Brazil, which helped power “I’m Still Here” to a win here last year.
From Los Angeles Times • Mar. 11, 2026
Wes Pingree, a breeder who runs SoCalMiniPigs with his wife Sandra, said prospective buyers often underestimate what “mini” means.
From The Wall Street Journal • Mar. 3, 2026
“It’s best not to underestimate the power of the Storyteller’s voice.”
From "When the Sea Turned to Silver" by Grace Lin
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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.