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English definition of “dubious”

dubious

adjective uk   /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. C2 feeling doubt or not feeling certain: I'm dubious about his promises to change his ways.
dubiously
adverb uk   /-li/ us  
(Definition of dubious from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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