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English definition of “overestimate”

overestimate

verb [I, T]     /ˌəʊvərˈestɪmeɪt/
to guess or think that something is bigger or better than it really is: They overestimated her ability to do the job. → Opposite underestimateExaggerating and playing downPraising and applauding
(Definition of overestimate verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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