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English definition of “doubt”

doubt

noun     /daʊt/
B1 [C, U] the feeling of not being certain about something, or not trusting someone or something: I have some doubts about his ability to do the job .Suspecting and questioningQuestioning people and asking questions in generalCuriosity
have no doubt B1 to be certain : [+ (that)] I have no doubt that I made the right decision .CertaintyConfidence and self-assurance
there's no doubt B1 it is certain : [+ (that)] There is no doubt that he's a good player .CertaintyConfidence and self-assurance
be in doubt B2 to not be certain : The future of the project is in doubt.Suspecting and questioningQuestioning people and asking questions in generalCuriosity
cast doubt on sth to make something seem uncertain : Witnesses have cast doubt on the suspect's innocence .Suspecting and questioningQuestioning people and asking questions in generalCuriosity
without (a) doubt B2 certainly : She is without doubt a great musician .CertaintyConfidence and self-assurance
no doubt used to say that something is very likely : No doubt she'll spend the money on new clothes . → See also give sb the benefit of the doubt, beyond/without a shadow of a doubtCertaintyConfidence and self-assurance
(Definition of doubt noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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