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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as in debatable

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

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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 While Minter’s effectiveness hasn’t waned, a pair of serious injuries and some questionable peripherals follow him. — Evan Drellich, New York Times, 31 July 2026 Langley said that his company has recently rolled out a robust automatic audit process by which suspicious or questionable activity is flagged for administrators. — T.m. Brown, CNN Money, 30 July 2026 Election season gives questionable websites a powerful disguise. — Kurt Knutsson, FOXNews.com, 30 July 2026 Cervantes told her the cemetery had identified roughly 15 questionable headstones overall. — Sara MacHi, CBS News, 29 July 2026 See All Example Sentences for questionable

Recent Examples of Synonyms for questionable

Adjective

Football is full of cautionary tales (and, for the sake of balance, morally-dubious fairy tales) about the risks and rewards of taking on finance adjacent to or entangled with politics.

— James Horncastle, New York Times, 30 July 2026
That dubious honor now belongs to conference rival Northwestern.

— ABC News, ABC News, 30 July 2026

Definition of dubious

Adjective

Pulley’s latest balances macro stakes with delightful burgeoning romances and connections between unlikely allies thrown together against the unbelievable.

— Literary Hub, Literary Hub, 3 Aug. 2026
Kavanaugh may seem an unlikely ally in the fight for greater equality.

— Charles Grantham, Sportico.com, 3 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

As for other returnees to Basic Instinct, Eszterhas was doubtful that Paul Verhoeven would return to direct, but expressed his hope that the filmmaker would come aboard.

— Shania Russell, Entertainment Weekly, 14 July 2026
Small Wages, bitter cold, long months of complete darkness, constant danger, safe return doubtful.

— Adam Crafton, New York Times, 4 July 2026

Definition of doubtful

Adjective

Hilton, born Mario Lavandeira, gained fame after launching his highly popular gossip website in the early Aughts and garnered notoriety for his unapologetic and often controversial take on celebrities’ lives.

— Charisma Madarang, Rolling Stone, 5 Aug. 2026
Italy has also pointed to Ceuta to push forward a controversial plan, forged in Italy's partnership with Albania, to move migrant screenings outside of the EU.

— ABC News, ABC News, 4 Aug. 2026

Definition of controversial

Adjective

Some of them felt betrayed by Platner himself, while others don’t believe the accusations against him, find the timing suspicious or think there was more to the story.

— Margie Cullen, USA Today, 29 July 2026
Glen Powell is hitting the field once again — and this time, people are suspicious.

— Shelby Stivale, Entertainment Weekly, 29 July 2026

Definition of suspicious

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“Questionable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/questionable. Accessed 5 Aug. 2026.

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