underestimate

verb

un·​der·​es·​ti·​mate ˌən-dər-ˈe-stə-ˌmāt How to pronounce underestimate (audio)
underestimated; underestimating; underestimates
Synonyms of underestimatenext

transitive verb

1
: to estimate as being less than the actual size, quantity, or number
underestimated the cost
2
: to think of as being lower in ability, influence, or value than is accurate : underrate
Her talent has always been underestimated.
underestimate noun
underestimation noun

Examples of underestimate in a Sentence

The city underestimated the cost of the new building. The number of people in the crowd was underestimated by 5,000. Never underestimate the importance of a good education. Her talent has always been underestimated.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Muskiet added that the true blood-pressure-lowering effect of GLP-1s may actually be underestimated in the review. Fran Kritz, Verywell Health, 4 June 2026 Barry emphasized the importance of not underestimating anyone. Charles Baggarly, Fort Worth Star-Telegram, 4 June 2026 Never underestimate the power of a teenage girl. Rosy Cordero, Deadline, 4 June 2026 Alexandra Middlewood, a political science professor at Wichita State University, said Kelly’s endorsement of Corson shouldn’t be underestimated, considering 2025 polling that suggests Kelly is still the most popular politician in the state. Matthew Kelly june 4, Kansas City Star, 4 June 2026 See All Example Sentences for underestimate

Word History

First Known Use

1792, in the meaning defined at sense 1

Time Traveler
The first known use of underestimate was in 1792

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Cite this Entry

“Underestimate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underestimate. Accessed 6 Jun. 2026.

Kids Definition

underestimate

verb
un·​der·​es·​ti·​mate ˌən-də-ˈres-tə-ˌmāt How to pronounce underestimate (audio)
1
: to estimate as being less than the actual size, quantity, or number
underestimate the cost of a new building
2
: to place too low a value on : underrate
underestimate an opponent
underestimate noun
underestimation noun

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