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doubtful

Synonyms and Antonyms of doubtful

1 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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on the fence

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Antonyms of doubtful
2 giving good reason for being doubted, questioned, or challenged
  • The election results were highly doubtful, so an investigation was begun.
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Antonyms of doubtful
3 not likely to be true or to occur
  • Our winning the championship increasingly looks like a doubtful outcome.
Synonyms of doubtful
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Antonyms of doubtful

Synonym Discussion of doubtful

doubtful, dubious, problematic, questionable 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
dubious stresses suspicion, mistrust, or hesitation.
    • dubious about the practicality of the scheme
problematic applies especially to things whose existence, meaning, fulfillment, or realization is highly uncertain.
    • whether the project will ever be finished is problematic
questionable may imply no more than the existence of doubt but usually suggests that the suspicions are well-grounded.
    • a man of questionable honesty

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