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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.

About three decades ago, an accountant profited from dubious deductions he put on the tax returns of an unsuspecting client.

From MarketWatch

His reports flag dubious stops at big-box stores, fast-food restaurants, relatives’ homes and employees’ side businesses, with precise times and durations.

From The Wall Street Journal

He might discover a new river or an old mountain or a glacier of dubious age.

From Literature

It is a somewhat dubious honor, but the new incumbent sits on a much sturdier throne than the previous one.

From Barron's

Many parents emerged dubious that school officials always knew best, and they were concerned their children were behind, regardless of their grades.

From The Wall Street Journal