doubtful

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English

Alternative forms

Etymology

From Middle English doutfull, douteful, equivalent to doubt +‎ -ful.

Pronunciation

  • IPA(key): /ˈdaʊtfəl/
  • Audio (US):(file)
  • Hyphenation: doubt‧ful

Adjective

doubtful (comparative more doubtful, superlative most doubtful)

  1. Subject to, or causing doubt.
  2. Experiencing or showing doubt, skeptical.
  3. Undecided or of uncertain outcome.
  4. (obsolete) Fearsome, dreadful.
  5. Improbable or unlikely.
  6. Suspicious, or of dubious character.
  7. Unclear or unreliable.

Derived terms

Translations

Noun

doubtful (plural doubtfuls)

  1. A doubtful person or thing.
    • 1976, Kenneth Gibbons, Donald Cameron Rowat, Political Corruption in Canada: Cases, Causes and Cures, page 45:
      They had their lists of Liberals and of the doubtfuls who still remained doubtful. As the election drew near, the force of the whole organization was turned upon these unrepentant doubtfuls.