Meaning of “underachiever” in the English Dictionary

american-english dictionary

(Definition of “underachiever” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"underachiever" in American English

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underachievernoun [ C ]

us /ˌʌn·dər·əˈtʃi·vər/

a person whose performance is lower than you would expect, based on that person's ability

(Definition of “underachiever” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"underachiever" in Business English

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underachievernoun [ C ]

uk /ˌʌndərəˈtʃiːvər/ us

someone who is less successful than they should be at school or at work:

His teachers consistently describe him as an underachiever, despite his artistic talents.

(Definition of “underachiever” from the Cambridge Business English Dictionary © Cambridge University Press)