questionable

adjective

ques·​tion·​able ˈkwes-chə-nə-bəl How to pronounce questionable (audio)
ˈkwesh-,
 in rapid speech  ˈkwesh-nə-
1
obsolete : inviting inquiry
2
obsolete : liable to judicial inquiry or action
3
: affording reason for being doubted, questioned, or challenged : not certain or exact : problematic
milk of questionable purity
a questionable decision
4
: attended by well-grounded suspicions of being immoral, crude, false, or unsound : dubious
questionable motives
questionableness noun
questionably
ˈkwes-chə-nə-blē How to pronounce questionable (audio)
ˈkwesh-
 in rapid speech  ˈkwesh-nə-
adverb
Choose the Right Synonym for questionable

doubtful, dubious, problematic, questionable mean not affording assurance of the worth, soundness, or certainty of something.

doubtful implies little more than a lack of conviction or certainty.

doubtful about whether I said the right thing

dubious stresses suspicion, mistrust, or hesitation.

dubious about the practicality of the scheme

problematic applies especially to things whose existence, meaning, fulfillment, or realization is highly uncertain.

whether the project will ever be finished is problematic

questionable may imply no more than the existence of doubt but usually suggests that the suspicions are well-grounded.

a man of questionable honesty

Examples of questionable in a Sentence

The truth of the statements was highly questionable. The water available in the village is of questionable quality. a man of questionable character They acquired the money through questionable means. The company is facing a questionable future.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
While many supplements are questionable at best, some of the hype about creatine seems warranted; even the International Olympic Committee has it on a short list of four supplements that are largely safe and proven effective for athletes. Cindy Kuzma, SELF, 28 May 2025 She is officially labeled as questionable to play against the Liberty. Nathan Canilao, Mercury News, 27 May 2025 Overall, there are some reasonable ideas scattered throughout the executive orders (though whether their implementation ends up being reasonable is questionable, especially given DOGE's involvement). ArsTechnica, 27 May 2025 The only negative in a sublime opening period for Florida was Sam Reinhart leaving with an apparent knee injury after enduring a questionable hip-check hit from Sebastian Aho that the league should take a look at. Greg Cote, Miami Herald, 23 May 2025 See All Example Sentences for questionable

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of questionable was in the 15th century

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Cite this Entry

“Questionable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/questionable. Accessed 2 Jun. 2025.

Kids Definition

questionable

adjective
ques·​tion·​able ˈkwes-chə-nə-bəl How to pronounce questionable (audio)
ˈkwesh-
1
: open to doubt, question, or challenge : not certain or exact
milk of questionable purity
a questionable decision
2
: believed to be bad, false, or unsound : dubious
questionable motives
questionably adverb

More from Merriam-Webster on questionable

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