English

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Alternative forms

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Etymology

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From question +‎ -able.

Pronunciation

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  • IPA(key): /ˈkwɛst͡ʃənəbl̩/
  • Audio (US):(file)
  • Hyphenation: ques‧tio‧nable

Adjective

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questionable (comparative more questionable, superlative most questionable)

  1. Problematic; open to doubt or challenge.
    It is questionable if the universe is open or closed.
  2. Of dubious respectability or morality.
    Tiffiny’s behavior is highly questionable.
    • 1920, Carolyn Wells, chapter 18, in Raspberry Jam[1], Philadelphia: J.B. Lippincott, page 302:
      [] he had a love of money—a sort of acquisitiveness, that led him into questionable dealings.
  3. (obsolete) Inviting questions; inviting inquiry.

Derived terms

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Descendants

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  • German: fragwürdig (calque)

Translations

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