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dubious

 
 
/ˈdjuːbiəs/ adjective

Definition

NOT TRUE thought not to be completely true, honest, or legal: dubious evidence a man with a dubious reputation
DOUBTING not certain that something is good or true: He's dubious about the benefits of acupuncture.
dubiously adverb
(Definition of dubious adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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