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 The company continues to focus on expanding its loan portfolio and maintaining strong asset quality, with no loans classified as substandard or doubtful at year-end. Quartz Intelligence Newsroom, Quartz, 28 Mar. 2025 Jamal Murray’s injury Nuggets guard Jamal Murray is doubtful due to right hamstring imflammation after missing the past five games. Jason Anderson, Sacbee.com, 9 Apr. 2025 While Carvana has posted upside earnings surprises in the past, the investor was doubtful that will be repeated. Lisa Kailai Han, CNBC, 8 Apr. 2025 But Sumner is doubtful that Newsom's directive will go anywhere toward helping the state. Newsweek Staff, MSNBC Newsweek, 4 Apr. 2025 See All Example Sentences for doubtful
Recent Examples of Synonyms for doubtful
Adjective
  • Investing Too Much, Too Soon AI is evolving rapidly, leaving businesses unsure whether to be pioneers, early adopters or cautious followers.
    Expert Panel®, Forbes.com, 29 Apr. 2025
  • While this change could reduce tax burdens, the specifics remain murky, leaving businesses unsure of how to plan financially.
    Matt Rozo, Mercury News, 28 Apr. 2025
Adjective
  • The data shows high growth but questionable profitability: AI funding reached a record $100.4 billion in 2024, with mega-rounds accounting for 69% of funding.
    Sajal Singh, Forbes.com, 23 Apr. 2025
  • Whether that trough also brings rain with it is far more questionable.
    Rick Hurd, Mercury News, 22 Apr. 2025
Adjective
  • An eruption is unlikely for now Typically, gases like water and carbon dioxide can separate and form bubbles during the rise and decompression of magma.
    Mary Walrath-Holdridge, USA Today, 25 Apr. 2025
  • Newsom has also asked foreign nations to exempt California from retaliatory tariffs, which experts say is unlikely.
    Grant Stringer, Mercury News, 25 Apr. 2025
Adjective
  • Listen, many Gomez fans were skeptical when the singer confirmed her relationship with the prolific music producer back in December 2023.
    Emily Tannenbaum, Glamour, 25 Apr. 2025
  • Some are skeptical given his slight wingspan and arm length and wonder if a move to left guard may eventually be necessary.
    Chad Graff, New York Times, 25 Apr. 2025
Adjective
  • Given the volume of legally dubious activity, some of the administration’s unlawful actions will inevitably advance before litigation can stop them.
    Mariano-Florentino Cuéllar, Foreign Affairs, 18 Apr. 2025
  • In The Hulk, Ross uses dubious means to hunt down Bruce Banner.
    Eliana Dockterman, Time, 17 Apr. 2025
Adjective
  • While the issue of gun violence is complicated and while many responses are debatable, this trend is neither.
    Joel Mosbacher, New York Daily News, 24 Apr. 2025
  • While her in-ring skills were debatable among fans, her undeniable charisma and strong connection with the WWE audience were consistently praised.
    Gordon G. Chang, MSNBC Newsweek, 8 Apr. 2025
Adjective
  • However, police did not treat Griffin's death as suspicious.
    Michael Nied, People.com, 18 Apr. 2025
  • What consumers can do is consider an identity theft protection service, which scours social media, the Internet and the dark web for your personal information and alerts you about any suspicious activity.
    Ryley Amond, CNBC, 18 Apr. 2025
Adjective
  • Neutral weather conditions bring uncertain weather risks An ENSO-neutral pattern can bring drier-than-normal weather, or drought conditions could persist in certain regions.
    Janet Loehrke, USA Today, 26 Apr. 2025
  • The name was recently added to CNBC Pro’s All-Weather Stock List, as some analysts have pointed to its resilience amid the uncertain macro environment.
    Sean Conlon, CNBC, 26 Apr. 2025

Browse Nearby Words

Cite this Entry

“Doubtful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/doubtful. Accessed 3 May. 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!