WordReference Random House Learner's Dictionary of American English © 2017
du•bi•ous /ˈdubiəs, ˈdyu-/USA pronunciation   adj. 
  1. of doubtful quality;
    questionable:dubious friends.
  2. unsure;
    uncertain in opinion;
    hesitant:dubious about our chances of success.
du•bi•ous•ly, adv. 

WordReference Random House Unabridged Dictionary of American English © 2017
du•bi•ous  (do̅o̅bē əs, dyo̅o̅-),USA pronunciation adj. 
  1. doubtful;
    marked by or occasioning doubt:a dubious reply.
  2. of doubtful quality or propriety;
    questionable:a dubious compliment; a dubious transaction.
  3. of uncertain outcome:in dubious battle.
  4. wavering or hesitating in opinion;
    inclined to doubt.
dubi•ous•ly, adv. 
dubi•ous•ness, n. 
  • 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. 


Word of the day: Intermediate+ clog

Report an inappropriate ad.