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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.

There also has been a flood of new listings on U.S. stock exchanges in recent years—mostly on Nasdaq—by obscure overseas companies with dubious financial prospects.

From The Wall Street Journal

Many other smaller countries that see the U.N. as the main international forum where they can exercise influence are at least as dubious.

From The Wall Street Journal

Many other countries that see the U.N. as the main international forum where they can exercise influence are likely to be at least as dubious.

From The Wall Street Journal

To scare a confession out of this dubious Mr. Drysdale, I had but one speaking part.

From Literature

However before they became available, many people were dubious.

From Barron's