1
2
3
4

Synonym Chooser

How does the adjective doubtful contrast with its synonyms?

Some common synonyms of doubtful are dubious, problematic, and questionable. While all these words 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

When is dubious a more appropriate choice than doubtful?

The words dubious and doubtful are synonyms, but do differ in nuance. Specifically, dubious stresses suspicion, mistrust, or hesitation.

dubious about the practicality of the scheme

When is it sensible to use problematic instead of doubtful?

While the synonyms problematic and doubtful are close in meaning, problematic applies especially to things whose existence, meaning, fulfillment, or realization is highly uncertain.

whether the project will ever be finished is problematic

When would questionable be a good substitute for doubtful?

While in some cases nearly identical to doubtful, questionable may imply no more than the existence of doubt but usually suggests that the suspicions are well-grounded.

a man of questionable honesty

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 doubtful Moments before the ceremony, her attendance was doubtful. Ronda Racha Penrice, HollywoodReporter, 14 July 2025 Some experts are keenly doubtful that those efforts will be fully successful. Lance Eliot, Forbes.com, 11 July 2025 Still, doulas are doubtful that the $1,200 rate is enough to cover their costs, according to Bradley. Elizabeth B. Kim, The Enquirer, 2 July 2025 After delivering several flops since its inception in 2019, such as Napoleon and Killers of the Flower Moon, the future of Apple's foray into movies remained doubtful. Saajan Jogia, MSNBC Newsweek, 2 July 2025 See All Example Sentences for doubtful
Recent Examples of Synonyms for doubtful
Adjective
  • Officials were unsure which species these were, but both are common in Wyoming.
    CNN Money, CNN Money, 16 Aug. 2025
  • The video reviewed by LMPD does not have audio, so Skaggs said the department is unsure of whether anything was said.
    Caroline Neal, Louisville Courier Journal, 15 Aug. 2025
Adjective
  • Well, not just them: also some of our most questionable corporations.
    Jordan Hoffman, EW.com, 7 Aug. 2025
  • The clubs engaged in an arms race that many of them could not afford and which was financed either with debt or the cash of questionable characters.
    Chris Deubert, Forbes.com, 7 Aug. 2025
Adjective
  • Any appeal by Patterson was unlikely to succeed, though it could not be ruled out, Beale said on Friday.
    CNN Money, CNN Money, 8 Aug. 2025
  • The documentary tells the story of Philadelphia Phillies’ superfan Jon McCann, who helped inspire an unlikely 2023 standing ovation for Phillies shortstop Trea Turner, which helped turn the team around after hitting a major roadblock.
    Melanie Goodfellow, Deadline, 7 Aug. 2025
Adjective
  • Heart Age May Not Be the Perfect Metric However, some experts are more skeptical.
    Kristen Fischer, Health, 9 Aug. 2025
  • Not only are voters more skeptical of media reports and talking points, OBBBA supporters have much more time to counter misinformation than was the case with the TCJA.
    Patrick Gleason, Forbes.com, 8 Aug. 2025
Adjective
  • Another dubious distinction is that Texas boasts an economic precariousness that the rest of those states can’t match.
    Kathryn Anne Edwards, Mercury News, 7 Aug. 2025
  • Although revenues fell short of expectations for the last quarter, earnings per share were up, due to the dubious magic of share buybacks.
    Steve Denning, Forbes.com, 6 Aug. 2025
Adjective
  • Carl Anka So much about this side is debatable except in midfield and, rather perversely, up front, where even a wantaway Alexander Isak seems the best option in the medium term (if not perhaps before the window closes).
    James McNicholas, New York Times, 15 Aug. 2025
  • While high school visits are appreciated, their necessity and effectiveness are debatable.
    Scott White, Forbes.com, 28 July 2025
Adjective
  • The body of a missing 15-year-old boy was discovered this week at a Detroit cemetery under suspicious circumstances.
    Alexandra Koch, FOXNews.com, 15 Aug. 2025
  • Investigators did note that nothing suspicious was found, Rhodes said in an update.
    Noelle Alviz-Gransee, Kansas City Star, 14 Aug. 2025
Adjective
  • His analysis illustrated the highly uncertain nature of where tariff policy is leading.
    David Lightman, Sacbee.com, 12 Aug. 2025
  • Quantum technology is still years from achieving broad commercial viability, making future revenue streams uncertain.
    Trefis Team, Forbes.com, 12 Aug. 2025

Browse Nearby Words

Cite this Entry

“Doubtful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/doubtful. Accessed 21 Aug. 2025.

More from Merriam-Webster on doubtful

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!