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Synonyms

underestimate

American  
[uhn-der-es-tuh-meyt, uhn-der-es-tuh-mit, -meyt] / ˌʌn dərˈɛs təˌmeɪt, ˌʌn dərˈɛs tə mɪt, -ˌmeɪt /

verb (used with object)

underestimated, underestimating
  1. to estimate at too low a value, rate, or the like.

    Synonyms:
    miscalculate, misjudge, underrate, undervalue

verb (used without object)

underestimated, underestimating
  1. to make an estimate lower than that which would be correct.

noun

  1. an estimate that is too low.

underestimate British  
/ ˌʌndərˈɛstɪˌmeɪt /

verb

  1. to make too low an estimate of

    he underestimated the cost

  2. to think insufficiently highly of

    to underestimate a person

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. too low an estimate

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

First recorded in 1805–15; under- + estimate

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.

Don’t underestimate the pressure a new baby and secret debt will put on you.

From MarketWatch

Customers often underestimate how complex and costly that electrical work can be, he said, another uncertainty on top of the potential for long-term rate savings.

From Los Angeles Times

But the home secretary, speaking to the BBC at the British Embassy in Copenhagen, said the importance of her changes should not be underestimated.

From BBC

At the same time, 6 in 10 workers say company brass is underestimating AI’s psychological toll on staff as it muscles in.

From MarketWatch

He guesses its potential is underestimated but warns that may not mean the investment price is right.

From MarketWatch