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Synonyms

questionable

American  
[kwes-chuh-nuh-buhl] / ˈkwɛs tʃə nə bəl /

adjective

  1. of doubtful propriety, honesty, morality, respectability, etc..

    questionable activities; in questionable taste.

    Antonyms:
    certain
  2. open to question or dispute; doubtful or uncertain.

    a statement of questionable accuracy.

    Synonyms:
    dubious, dubitable, controvertible, disputable, debatable
  3. open to question as to being of the nature or value suggested.

    a questionable privilege.


questionable British  
/ ˈkwɛstʃənəbəl /

adjective

  1. (esp of a person's morality or honesty) admitting of some doubt; dubious

  2. of disputable value or authority

    a questionable text

"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

Other Word Forms

Etymology

Origin of questionable

First recorded in 1580–90; question + -able

Explanation

Something that's questionable is uncertain or hard to believe. If a politician says things you doubt are true, you might describe his words as questionable. You might say that it's questionable whether you'll reach your goal of getting straight A's in school, or secretly believe that everything your history teacher says is slightly questionable. In either case, you're highly doubtful. You can even describe a person as questionable, if he or she doesn't strike you as completely honest. The original meaning of the word was "that may be interrogated," from the Latin root word quaestionem, "a seeking, inquiry, questioning, or examination."

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Vocabulary lists containing questionable

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.

See Examples For:

Botched executions have come under scrutiny over the past decade, since a shortage of the drugs used led some states to change the formula, or procure drugs from more questionable sources.

From BBC ● Oct. 2, 2026

Sometimes the government’s adjustments for seasonal swings in employment can produce questionable results that don’t prove to be sustainable.

From MarketWatch ● Oct. 1, 2026

But it’s a far better analogy for how viewers rallied behind the show, making Hansen and his questionable methods a sensation that could be replicated after their mutual cancellation.

From Salon ● Sep. 26, 2026

Really, the questionable part of vertical dramas is the gambling-style structure that envelopes them, not some inherent problem with the content itself.

From Slate ● Sep. 26, 2026

After being served some questionable food at otherwise charming roadside diners, I learned to value the bland certainty of a McDonald’s cheeseburger.

From "Becoming" by Michelle Obama

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