Definition of underestimate in English:

underestimate

Syllabification: un·der·es·ti·mate

verb

Pronunciation: /ˌəndərˈestəˌmāt
 
/
[with object]
1Estimate (something) to be smaller or less important than it actually is: the administration has grossly underestimated the extent of the problem
More example sentences
  • She said it was important not to underestimate the impact of binge drinking - particularly among young women.
  • Earlier estimates may simply have underestimated the true cost.
  • Therefore it is important not to underestimate the replacement value of everything inside your house that is not fixed to the walls.
Synonyms
underrate, undervalue, underappreciate, lowball, do an injustice to, be wrong about, sell short, play down, understate; minimize, de-emphasize, underemphasize, diminish, gloss over, trivialize; miscalculate, misjudge, misconstrue, misread
1.1Regard (someone) as less capable than they really are: he had underestimated the new president
More example sentences
  • I personally have been underestimating him for two years.
  • If she does that same type of preparation, she could impress people who are underestimating her.
  • I mean, the people who underestimate him are the same people who underestimated the former mayor.

noun

Pronunciation: /ˌəndərˈestəmət
 
/
[usually in singular] Back to top  
An estimate that is too low.
More example sentences
  • The government's statistics on the quantity of fish being exported should be considered gross underestimates.
  • Even this figure is considered an underestimate as the government has never provided definite numbers for Scotland.
  • Nevertheless, this is still an underestimate, because it doesn't consider all the factors.

Derivatives

underestimation

Pronunciation: /-ˌestəˈmāSHən/
noun
More example sentences
  • However, that turned out to be a massive underestimation.
  • It's a huge amount of money and a substantial underestimation really of how much it's going to cost.
  • I don't think she thought that it would affect her the way that it did, an underestimation I'm sure many are guilty of.

Definition of underestimate in:

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Word of the day hubris
Pronunciation: ˈhjuːbrɪs
noun
excessive pride or self-confidence