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

Synonyms & Similar Words

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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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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 Dream star Allisha Gray is considered questionable with a hand injury, but the team overcame that in Game 2 … and no team has ever lost a five-game series after taking a 2-0 lead. — Tyler Estep, AJC.com, 9 Oct. 2026 The five-member Arlington County Board filed a lawsuit Thursday in the Eastern District of Virginia, related to the project’s questionable review process. — Leigh Anne Miller, ARTnews.com, 9 Oct. 2026 That said, there’s something about being held captive inside another person’s questionable taste that can really work for certain horror anthologies, and the director at least comes off wonderfully playful here. — Alison Foreman, IndieWire, 8 Oct. 2026 The tight finish came after a first half with see-saw action — mainly by Stewart — but was marred by whistles and questionable foul calls. — Fiifi Frimpong, New York Daily News, 8 Oct. 2026 See All Example Sentences for questionable

Recent Examples of Synonyms for questionable

Adjective

Publicly available information from the Pike case, for instance, suggests that the drug may have been of dubious quality and extravasated during administration by Tennessee prison employees.

— Dr. Jacob Appel, New York Daily News, 8 Oct. 2026
The editorial praises the Shedd for trying to save the whales in this time of crisis, even though the animals had a record of previous poor living conditions and dubious care.

— Chicago Tribune, Chicago Tribune, 4 Oct. 2026

Definition of dubious

Adjective

Rain rates are probably going to be a quarter of an inch per hour or less, making debris flow and landslides unlikely.

— Hannah Fry, Los Angeles Times, 10 Oct. 2026
The Times’ belated discovery of Bragg’s malpractice emerged through an unlikely incident that has not been reported in full.

— Charles Bethea, New Yorker, 9 Oct. 2026

Definition of unlikely

Adjective

While the advantages of retinoids like retinol—firmer, clearer, and brighter skin—are essentially fact at this point, what constitutes the best retinoid is a bit more debatable.

— Deanna Pai, Vogue, 7 Oct. 2026
Still admittedly a debatable pick; shaky taking Titans against anybody.

— Miami Herald, Miami Herald, 24 Sep. 2026

Definition of debatable

Adjective

But revenue coming in at double the projections is not disputable and cannot happen if the tax base runs away.

— Teresa Ghilarducci, Forbes.com, 23 Aug. 2026
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

Definition of disputable

Adjective

Star freshman wide receiver Trent Mosley began the week listed as questionable on the availability report, a step up from his doubtful classification last Wednesday.

— Sean Campbell, Los Angeles Times, 1 Oct. 2026
Experts, including Higel, are doubtful that the Iraqi government will be able to disarm the Iran-loyal groups even if war between Iran and the US ends.

— Sarah Tamimi, CNN Money, 30 Sep. 2026

Definition of doubtful

Adjective

That can become especially problematic after retirement, when income may be more limited and unexpected expenses could otherwise push card balances higher.

— Angelica Leicht, CBS News, 7 Oct. 2026
There was a palpable sense of everything crumbling around you in terms of the culture, and even social interaction became problematic.

— Shaad D’Souza, Pitchfork, 7 Oct. 2026

Definition of problematic

Adjective

Much of that flood of silicon is going to the data centers that are popping up all over and are increasingly controversial as AI prepares to remake the economy, work, life and thought.

— Evan Clark, Footwear News, 6 Oct. 2026
Now those tensions threaten to ignite once more following a provocative celebration by one of Haiti’s star players as his controversial remarks and the fallout inject fresh friction into the relationship.

— Jacqueline Charles, Miami Herald, 6 Oct. 2026

Definition of controversial

Adjective

Strong antivirus software can help detect malicious downloads, suspicious links and other threats that may show up in follow-up scams.

— Kurt Knutsson, FOXNews.com, 12 Oct. 2026
Abby became suspicious of Kuehl during a private conversation about possible traitors in the group.

— Lisa Gutierrez, Kansas City Star, 12 Oct. 2026

Definition of suspicious

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“Questionable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/questionable. Accessed 14 Oct. 2026.

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