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Synonyms

dubious

American  
[doo-bee-uhs, dyoo-] / ˈdu bi əs, ˈdyu- /

adjective

  1. doubtful; marked by or occasioning doubt.

    a dubious reply.

    Synonyms:
    unclear, obscure, ambiguous, equivocal
  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.

    Synonyms:
    hesitant, uncertain, undecided

dubious British  
/ ˈdjuːbɪəs /

adjective

  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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See doubtful.

Other Word Forms

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

Etymology

Origin of dubious

First recorded in 1540–50; from Latin dubius; doubt ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

AI has a somewhat dubious reputation in the legal world, where lawyers in recent months have drawn ridicule and reprimand for submitting briefs riddled with citations to fictional cases and factual errors.

From The Wall Street Journal

The dialogue between managers and the public investment community therefore becomes performative theater, revolving around quarterly earnings estimates even though both sides are dubious about the long-run significance of those earnings.

From Barron's

But when tragic circumstances cut short his money-making scheme, Skipton tries to sell dubious art to an equally suspect Italian count.

From The Wall Street Journal

The step had dubious legal validity, since deep-sea areas are governed by treaties administered by the United Nations, rather than individual nations.

From The Wall Street Journal

Breaking an Oscars record is usually a good thing, but Adrien Brody achieved a dubious honour when he won best actor in February.

From BBC