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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 Minnesota did it without MVP front-runner and leading scorer Napheesa Collier, who is listed as doubtful for Saturday’s game with a right ankle sprain. Aaron Tolentino, New York Times, 16 Aug. 2025 As for erasing aging altogether, Hinton is doubtful. Ron Schmelzer, Forbes.com, 12 Aug. 2025 Most are doubtful peace is near While more than two-thirds of Ukrainians desire a settlement, about the same share believe this goal will not be achieved in the near term. Brendan Rascius, Miami Herald, 8 Aug. 2025 Campaign decision doubtful before Labor Day Tiffany has pushed back his timeline for launching a campaign for governor and now plans to announce his decision in the next 30 to 60 days. Hope Karnopp, jsonline.com, 6 Aug. 2025 See All Example Sentences for doubtful
Recent Examples of Synonyms for doubtful
Adjective
  • The footage revealed a canine still deeply affected by past experiences, unsure of his safety even outdoors, and in the company of his new owner.
    Melissa Fleur Afshar, MSNBC Newsweek, 2 Sep. 2025
  • Her team feels valued but adrift, unsure what matters most.
    Vibhas Ratanjee, Forbes.com, 1 Sep. 2025
Adjective
  • One reason for the lack of attention to the risk of elder abuse is that it is often assumed that tracking and monitoring older family members is lawful, even if perhaps ethically questionable.
    Nina A. Kohn, Forbes.com, 2 Sep. 2025
  • His defense is questionable at times, but his bat makes up for it on a nightly basis.
    Drew VonScio, MSNBC Newsweek, 2 Sep. 2025
Adjective
  • The comedic murder-mystery series following three unlikely neighbors — Charles (Steve Martin), Oliver (Martin Short) and Mabel (Selena Gomez) — who bond over their obsession with true crime podcasts.
    Samantha Stutsman, PEOPLE, 9 Sep. 2025
  • The upshot is that France’s fiscal mess is unlikely to be fixed anytime soon.
    Saskya Vandoorne, CNN Money, 8 Sep. 2025
Adjective
  • That time, a very disputable foul denied him.
    Matt Woosnam, New York Times, 18 Aug. 2025
Adjective
  • Gustafson is skeptical, but certain.
    Matthew Kayser, USA Today, 8 Sep. 2025
  • The elaborateness of these explanations, in Frank’s view, is a reason to be skeptical of them.
    Matthew Hutson, New Yorker, 7 Sep. 2025
Adjective
  • Many in Hollywood were dubious as to whether Universal and Amblin could reboot the Jurassic franchise for a third time, and birth a new trilogy more than three decades after Steven Spielberg’s dinos first stomped onto the big screen in 1993’s Jurassic Park.
    Pamela McClintock, HollywoodReporter, 3 Sep. 2025
  • Besides there being considerable variation in terms of COVID-19 vaccine policy among our peers, which makes claims about alignment dubious, there’s the issue of insurance coverage.
    Joshua P. Cohen, Forbes.com, 1 Sep. 2025
Adjective
  • How long the Tigers last in the playoffs is certainly debatable.
    Bernie Pleskoff, Forbes.com, 2 Sep. 2025
  • The game's overall quality is debatable; what isn't is its profound impact on pro football.
    Jim Reineking, USA Today, 29 Aug. 2025
Adjective
  • These advanced capabilities can detect an individual crossing a virtual boundary, expose suspicious loitering or unusual motion patterns across vast areas and even recognize unknown faces in high-security zones.
    Michael Evanoff, Forbes.com, 2 Sep. 2025
  • The 63-year-old Plainfield man died from drowning but the manner of his suspicious death was ruled a homicide, according to the Cook County medical examiner’ office.
    Christy Gutowski, Chicago Tribune, 2 Sep. 2025

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Cite this Entry

“Doubtful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/doubtful. Accessed 9 Sep. 2025.

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