Word.ws English Dictionary

unpossible

/ʌnˈpɒsɪbəl/

unpossible adjective: impossible.

Adjective

unpossible (comparative more unpossible, superlative most unpossible)

  1. (archaic, humorous, nonstandard, sometimes) Impossible.
    • And this is the .vj. moneth to her / which was called barren / foꝛ with god ſhall nothinge be vnpoſſible.1526, [William Tyndale, transl.], The Newe Testamẽt […] (Tyndale Bible), [Worms, Germany: Peter Schöffer], →OCLC, Luke j:[36–37], folio lxxiij, recto
    • But the young man Hippomedon making her priuie vnto it, at the firſt ſhe was amaſed withall, and bad him hold his peace if he were wiſe, and not medle in matters vnpoſſible and vnprofitable.1579, Plutarke of Chæronea [i.e., Plutarch], “Agis and Cleomenes”, in Thomas North, transl., The Lives of the Noble Grecians and Romaines, […], London: […] Richard Field, →OCLC, page 851

Examples of unpossible in a sentence

  • [S]o prodigiouſly various are the works of the Creator, and ſo All-ſufficient is he to perform what to man would ſeem unpoſſible, […]1665, R[obert] Hooke, “Observ[ation] XXI. Of Moss, and several other small vegetative Substances.”, in Micrographia: Or Some Physiological...
  • I think we can all agree that this is unpossible.2008, David Goldberg, “meeting with HKS”, in Mimecast:

Forms of unpossible

comparativemore unpossible
superlativemost unpossible

Origin of unpossible

From Middle English unpossible, equivalent to un- (“not”) + possible.

Questions about unpossible

What does unpossible mean?
Unpossible means impossible.
How do you use unpossible in a sentence?
[S]o prodigiouſly various are the works of the Creator, and ſo All-ſufficient is he to perform what to man would ſeem unpoſſible, […]
What part of speech is unpossible?
Unpossible is an adjective.
How do you pronounce unpossible?
Unpossible is pronounced /ʌnˈpɒsɪbəl/.

Words near unpossible in the dictionary

  1. unpossesses
  2. unpossessing
  3. unpossessive
  4. unpossibilities
  5. unpossibility
  6. unpossible
  7. unpost
  8. unposted
  9. unpostered
  10. unposting
  11. unpostmarked

Source and license

Adapted from Wiktionary: unpossible (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-unpossible.wav.

Cite this entry: “unpossible.” Word.ws, https://word.ws/unpossible. Based on Wiktionary, CC BY-SA 4.0.