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

Relevance

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

Synonyms & Similar Words

Antonyms & Near Antonyms

as in debatable

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

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

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 That’s exactly what happened with money market funds, another savings instrument that the banks fought using questionable arguments, only to be proven wrong. — Omid Malekan, Fortune, 21 Aug. 2026 Jones, who has reportedly been able to sell wild horses without online advertisements or a sign at his corral, is not the only allegedly questionable reseller. — Latoya Gayle, PEOPLE, 21 Aug. 2026 For a movie about a group of people making some very questionable decisions, the city brought plenty of personality to the frame. — Desjah Altvater, Forbes.com, 21 Aug. 2026 While there may be good intentions behind these kits, Navani said their practical utility is questionable. — Cathy Cassata, HEALTH, 21 Aug. 2026 See All Example Sentences for questionable

Recent Examples of Synonyms for questionable

Adjective

Overt leaflet and loudspeaker campaigns, which the US military also used during the Gulf War and in Iraq and Afghanistan, were meant to weaken morale and instill fear (to dubious success).

— Harmeet Kaur, CNN Money, 27 Aug. 2026
Though the current protests were sparked by the Kushner’s access to advantages from the Albanian government, the Sazan Island incident was a greater representation of Rama’s many dubious dealings.

— Naomi Tomky, Condé Nast Traveler, 24 Aug. 2026

Definition of dubious

Adjective

That claim is debatable as the original date of construction is unknown.

— Dan Fellner, AZCentral.com, 23 Aug. 2026
Luxury taxes are of debatable worth in sports anyway; in a division where the richest can already spend far more than the rest, imbuing them with even greater resources is antithetical to competitive balance.

— Chris Weatherspoon, New York Times, 21 Aug. 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

Even if temperatures were to sharply drop, the recovery of most corals is doubtful.

— Peter Prengaman, Fortune, 24 Aug. 2026
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

Definition of doubtful

Adjective

Medical uses Buprenorphine’s principal use is in the treatment of OUD, a chronic condition characterized by problematic opioid use despite harmful consequences.

— Encyclopedia Britannica, Encyclopedia Britannica, 28 Aug. 2026
The Fire Center said in its update that those conditions could be problematic for firefighters.

— Carly Sauvageau, USA Today, 26 Aug. 2026

Definition of problematic

Adjective

The Amazing Spider-Man and Social Network actor got candid about portraying the controversial executive who has helped spearhead the AI revolution.

— James Hibberd, HollywoodReporter, 25 Aug. 2026
Almost a decade after its release, Reputation has held it spot as Swift’s most controversial record, but the Grammy winner is embracing its legacy.

— Jason P. Frank, Vulture, 25 Aug. 2026

Definition of controversial

Adjective

Luke Halls’ video and projections add another layer of visual unease, allowing screens and technology inside the home to become as suspicious as its shadowy corners.

— Dave Quinn, PEOPLE, 26 Aug. 2026
As Joan Acocella wrote for this magazine, in 2008, a suspicious number of cures happen to include alcohol as a main ingredient.

— Shayla Love, New Yorker, 26 Aug. 2026

Definition of suspicious

Browse Nearby Words

question

questionable

questionableness

See all Nearby Words

Cite this Entry

Style

“Questionable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/questionable. Accessed 1 Sep. 2026.

Copy Citation

Synonyms of questionable

adjective

Synonym Chooser

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

conscientious

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Why does English have so many silent letters?

7 Pairs of Commonly Confused Words

Popular in Wordplay

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Games & Quizzes