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English definition of “overestimate”

overestimate

verb [I or T]     /ˌəʊ.vəˈres.tɪ.meɪt/ US  /ˌoʊ.vɚˈes-/
C1 to think that something is or will be greater, more extreme, or more important than it really is: The benefits of nuclear technology, she said, had been grossly overestimated. They were forced to the conclusion that they had overestimated him/his abilities. I overestimated and there was a lot of food left over after the party.Analysing and evaluatingAssessing and estimating value overestimate     /ˌəʊ.vəˈres.tɪ.mət/ US  /ˌoʊ.vɚˈes-/ noun [C] Guesses and assumptions
(Definition of overestimate verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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