DOUBTFUL Synonyms: 144 Similar and Opposite Words

Q: 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

Q: 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

Q: 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

Q: 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

doubtful

adjective

ˈdau̇t-fəl

Definition of doubtful next

as in unsure

not feeling sure about the truth, wisdom, or trustworthiness of someone or something he was doubtful about the decision to complete the project despite its mounting problems

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Antonyms & Near Antonyms

as in questionable

giving good reason for being doubted, questioned, or challenged the election results were highly doubtful, so an investigation was begun

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as in unlikely

not likely to be true or to occur our winning the championship increasingly looks like a doubtful outcome

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as in disputable

open to question or dispute a doubtful claim to the property

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Antonyms & Near Antonyms

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

Examples 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 Trump’s intervention in the talks, which came after his allies Elon Musk and Vivek Ramaswamy railed against the bill on social media, has left plenty of observers doubtful of the GOP’s chances. —

Alexander Bolton, The Hill, 19 Dec. 2024 The Celtics officially listed Hauser as doubtful for Thursday’s game. —

Zack Cox, Boston Herald, 11 Dec. 2024 Advertisement Key injuries Chargers: TE Will Dissly (shoulder, out); CB Cam Hart (concussion, out); DB Elijah Molden (knee, doubtful); G Zion Johnson (ankle, questionable); DL Otito Ogbonnia (pelvis, questionable); LB Denzel Perryman (groin, questionable), TE Hayden Hurst (hip, questionable). —

Thuc Nhi Nguyen, Los Angeles Times, 19 Dec. 2024 Count us doubtful that Republicans will be able to make major changes to environmental laws without negotiating with Senate Democrats. —

Daniel Moore, Axios, 17 Dec. 2024 See all Example Sentences for doubtful

Recent Examples of Synonyms for doubtful

Adjective

What the market is unsure about is how the impending policy mix of tariffs, immigration restrictions and deregulation will alter this interplay of rates, inflation, GDP growth and risk appetites.

Michael Santoli, CNBC, 11 Jan. 2025
Officials are unsure what caused the wildfires – however, many including President-elect Donald Trump – are voicing opinions.

Mike Snider, USA TODAY, 10 Jan. 2025