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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.

"We chose to stay in Bulgaria, but not in a Bulgaria of dubious dealings," the 20-year-old added.

From Barron's

By the time Hamilton met them, Angelica was already married to an entrepreneurial Englishman of dubious character; the younger, less-flamboyant Eliza quickly formed a passionate bond with the scrappy, brilliant future U.S.

From The Wall Street Journal

A Belfast landmark, the Europa Hotel claims the dubious distinction of being hit 33 times by bombs — including one that struck even before its doors opened in 1971.

From Los Angeles Times

Thomas has said that he didn’t have to disclose his Crow-paid vacations under the exemption for “personal hospitality” — a dubious defense when it comes to his use of Crow’s private jet.

From Washington Post

Trump previously withdrew a dubious lawsuit against New York Attorney General Letitia James and was fined nearly $1 million for filing a frivolous lawsuit against Hillary Clinton and other political enemies.

From Salon