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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:

School leaders said they weren’t sure which current activities would cross the line and would likely scale back anything questionable because the potential penalty is so severe.

From The Wall Street Journal ● Nov. 14, 2026

He is accused of using his influence as president to steer millions in government deposits to Ueno and hiding or downplaying its financial woes despite warnings about questionable loans and solvency issues.

From Barron's ● Nov. 12, 2026

But Samoa's passion dissolved into frustration as the game got away - not helped by some questionable refereeing decisions.

From BBC ● Nov. 8, 2026

This movie about consent and dementia — and ultimately, far much more — hinges on a questionable act that provokes a hasty emotional reaction.

From Los Angeles Times ● Nov. 6, 2026

Anyway, Lorena and her mom make questionable choices when it comes to their looks, and Amá always feels the need to point them out, as if I didn’t already notice.

From "I Am Not Your Perfect Mexican Daughter" by Erika L. Sánchez

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