[doo-bee-uhs, dyoo-]
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.

1540–50; < Latin dubius; see -ous

dubiously, adverb
dubiousness, noun
superdubious, adjective
superdubiously, adverb
superdubiousness, noun
undubious, adjective
undubiously, adverb
undubiousness, noun

1. equivocal, ambiguous, obscure, unclear. 4. undecided, uncertain, hesitant, fluctuating. See doubtful.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To dubious
World English Dictionary
dubious (ˈdjuːbɪəs)
1.  marked by or causing doubt: a dubious reply
2.  unsettled in mind; uncertain; doubtful
3.  of doubtful quality; untrustworthy: a dubious reputation
4.  not certain in outcome
[C16: from Latin dubius wavering]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

1540s, from L. dubiosus "doubtful," from dubium "doubt," neuter of dubius "doubtful," from duo "two," in the sense of "of two minds, undecided between two things." O.E. also used tweo "two" to mean "doubt." Related: Dubiously.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
With undergraduates, I have more success being a (sometimes false) advocate of
  a text that they find dubious.
Parents have turned instead to dubious, and often risky, alternative therapies.
While they're nice little machines in general, I have remained dubious at what
  they can offer for the price.
When online travel agencies started rolling out smartphone apps, I was dubious.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature