QUESTIONABLE Synonyms: 119 Similar and Opposite Words

Q: How does the adjective 'questionable' contrast with its synonyms?

Some common synonyms of questionable are doubtful , dubious , and problematic . While all these words mean "not affording assurance of the worth, soundness, or certainty of something," questionable may imply no more than the existence of doubt but usually suggests that the suspicions are well-grounded. // a man of questionable honesty

Q: Where would 'doubtful' be a reasonable alternative to 'questionable'?

The words doubtful and questionable can be used in similar contexts, but doubtful implies little more than a lack of conviction or certainty. // doubtful about whether I said the right thing

Q: In what contexts can 'dubious' take the place of 'questionable'?

While the synonyms dubious and questionable are close in meaning, dubious stresses suspicion, mistrust, or hesitation. // dubious about the practicality of the scheme

Q: When is it sensible to use 'problematic' instead of 'questionable'?

The synonyms problematic and questionable are sometimes interchangeable, but problematic applies especially to things whose existence, meaning, fulfillment, or realization is highly uncertain. // whether the project will ever be finished is problematic

questionable

adjective

ˈkwes-chə-nə-bəl

Definition of questionable

as in dubious

giving good reason for being doubted, questioned, or challenged the runner's unexpected first-place finish is questionable, so a drug test has been ordered

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Antonyms & Near Antonyms

as in unlikely

not likely to be true or to occur it's questionable that he will show up tonight considering all the bad weather we're having

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Antonyms & Near Antonyms

as in debatable

open to question or dispute whether it will rain today or not is questionable

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Antonyms & Near Antonyms

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How does the adjective questionable contrast with its synonyms?

Some common synonyms of questionable are doubtful, dubious, and problematic. While all these words mean "not affording assurance of the worth, soundness, or certainty of something," questionable may imply no more than the existence of doubt but usually suggests that the suspicions are well-grounded.

a man of questionable honesty

Where would doubtful be a reasonable alternative to questionable?

The words doubtful and questionable can be used in similar contexts, but doubtful implies little more than a lack of conviction or certainty.

doubtful about whether I said the right thing

In what contexts can dubious take the place of questionable?

While the synonyms dubious and questionable are close in meaning, dubious stresses suspicion, mistrust, or hesitation.

dubious about the practicality of the scheme

When is it sensible to use problematic instead of questionable?

The synonyms problematic and questionable are sometimes interchangeable, but problematic applies especially to things whose existence, meaning, fulfillment, or realization is highly uncertain.

whether the project will ever be finished is problematic

Example Sentences

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.

Recent Examples of questionable This year, with the questionable weather, the back half of the beach was empty and open. — Elyssa Kaufman, CBS News, 15 Aug. 2026 Johnson had a touchdown erased by a questionable holding call on Hunter Nourzad. — Kansas City Star, 15 Aug. 2026 The bot’s lenient management decisions, plus a questionable business sense, are surely contributing to its losses. — Billy Perrigo, Time, 14 Aug. 2026 The companies all had questionable contracts with the county during the pandemic and were unable to provide auditors with supporting documentation. — Tony Saavedra, Oc Register, 12 Aug. 2026 See All Example Sentences for questionable

Recent Examples of Synonyms for questionable

Adjective

SpaceX now has the dubious honor of being the first company to deface the moon, after a piece of one of its rockets crashed into Earth’s only natural satellite earlier this month.

— Andrew Paul, Popular Science, 19 Aug. 2026
HoverAir, an imprint of China's Zero Zero Robotics, has the dubious honor of being the first victim of the FCC's foreign drone ban.

— Jim Fisher, PC Magazine, 18 Aug. 2026

Definition of dubious

Adjective

Tottenham Hotspur’s Lucas Bergvall has also featured during discussions, but Newcastle baulked at the asking price and a move for the 20-year-old seems unlikely.

— Chris Waugh, New York Times, 18 Aug. 2026
Simon Baughen, Professor of Shipping Law at Swansea University, said the path toward claiming Hormuz as a US territory was unlikely to come to fruition.

— Hanna Ziady, CNN Money, 18 Aug. 2026

Definition of unlikely

Adjective

However, disputable refereeing decisions, especially in the matches against Italy and Spain, led to allegations that South Korea may have benefited from favorable officiating.

— Andrew Pereira, Encyclopedia Britannica, 18 June 2026
Speech — Intimidation as censorship The First Amendment protects disputable speech, not agreeable.

— Brielle Miller, Baltimore Sun, 9 Mar. 2026

Definition of disputable

Adjective

For much of last year, Head Start, the federal program that provides child-care and preschool services for low-income families, appeared to have a doubtful future.

— Jessica Winter, New Yorker, 20 Aug. 2026
Even if the limb could be spared, its future usefulness was doubtful.

— Jeff Murray, Outdoor Life, 20 Aug. 2026

Definition of doubtful

Adjective

Animal-rights groups have been problematic at times with the zoos.

— Katie Campione, Deadline, 21 Aug. 2026
Instagram users have always been able to block others — and, along with Meta’s oldest crown jewel, Facebook — the app has gradually added features for reporting problematic accounts and inappropriate content.

— Wyatte Grantham-Philips, Chicago Tribune, 20 Aug. 2026

Definition of problematic

Adjective

Cunningham's controversial remarks came in an ESPN interview last month, saying her position is a matter of common sense.

— S.E. Jenkins, CBS News, 19 Aug. 2026
Mayor Andre Dickens is opposing a controversial plan to move the famed Olympic cauldron from Atlanta’s Summerhill neighborhood.

— Shaddi Abusaid, AJC.com, 18 Aug. 2026

Definition of controversial

Adjective

The person asked for gas money and Bitcoin, requests the family found suspicious because Goods doesn't drive and didn't have a car in Las Vegas.

— Stephen Sorace, FOXNews.com, 19 Aug. 2026
The suspicious em dash—and the easily disprovable notion that only AI used them—was offered as a telltale sign.

— M. C. Mah, Literary Hub, 19 Aug. 2026

Definition of suspicious

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questionableness

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“Questionable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/questionable. Accessed 23 Aug. 2026.

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Synonyms of questionable

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