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English definition of “wimp out”

wimp out

informal phrasal verb with wimp     /wɪmp/ verb
to decide not to do something because you are too frightened: I was going to do a parachute jump but I wimped out at the last minute.Avoiding actionLaziness and lazy peopleCowardly
(Definition of wimp out from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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