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WordReference Random House Learner's Dictionary of American English © 2024du•bi•ous /ˈdubiəs, ˈdyu-/USA pronunciation adj. - of doubtful quality;
questionable:dubious friends. - unsure;
uncertain in opinion;
hesitant:dubious about our chances of success.
du•bi•ous•ly, adv. WordReference Random House Unabridged Dictionary of American English © 2024du•bi•ous (do̅o̅′bē əs, dyo̅o̅′-),USA pronunciation adj. - doubtful;
marked by or occasioning doubt:a dubious reply. - of doubtful quality or propriety;
questionable:a dubious compliment; a dubious transaction. - of uncertain outcome:in dubious battle.
- wavering or hesitating in opinion;
inclined to doubt.
- Latin dubius; see -ous
- 1540–50
- 1.See corresponding entry in Unabridged equivocal, ambiguous, obscure, unclear.
- 4.See corresponding entry in Unabridged undecided, uncertain, hesitant, fluctuating. See doubtful.
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