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English definition of “dubious”

dubious

adjective     /ˈdjuː.bi.əs/ US  /ˈduː-/
C2 thought not to be completely true or not able to be trusted: These claims are dubious and not scientifically proven. He has been associated with some dubious characters. Ruth Ellis has the dubious (= bad) distinction of being the last woman to be hanged in Britain.UncertaintyHesitatingAchievableDishonest C2 feeling doubt or not feeling certain: I'm dubious about his promises to change his ways.Doubt and ambivalenceHesitating dubiously     /-li/ adverb UncertaintyHesitatingAchievableDishonestDoubt and ambivalenceHesitating
(Definition of dubious adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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