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underestimate

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verb [transitive] underestimate pronunciation in American English /ˌʌndərˈestɪˌmeɪt/ 
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present tense
I/you/we/theyunderestimate
he/she/itunderestimates
present participleunderestimating
past tenseunderestimated
past participleunderestimated

Related dictionary definitions

  1. 1
    to think that someone has less power or ability than they really have

    Their big mistake was to underestimate their opponents' skill in handling the news media.

derived word

underestimation

 underestimate pronunciation in American English /ˌʌndərˌestɪˈmeɪʃ(ə)n/  noun [countable/uncountable]
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singularunderestimation
pluralunderestimations

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