Word.ws English Dictionary

nonproof

nonproof noun: a failure to prove something; the absence of a proof.

Noun

nonproof (plural nonproofs)

  1. A failure to prove something; the absence of a proof
    • Here is another nonproof of the existence of God.
    • In his 1965 paper about his nonproof of the Poincaré Conjecture[…] Dr. Stallings ended on a musing note:2009 January 19, Kenneth Chang, “John R. Stallings Jr., 73, California Mathematician, Is Dead”, in New York Times

Forms of nonproof

pluralnonproofs

Origin of nonproof

From non- + proof.

Questions about nonproof

What does nonproof mean?
Nonproof means a failure to prove something; the absence of a proof.
What part of speech is nonproof?
Nonproof is a noun.
What is the plural of nonproof?
The plural of nonproof is nonproofs.

Words near nonproof in the dictionary

  1. nonpromotional
  2. nonpromotions
  3. nonpromulgation
  4. nonpronounceable
  5. nonpronunciation
  6. nonproof
  7. nonproofreading
  8. nonproofs
  9. nonpropaganda
  10. nonpropagandistic
  11. nonpropagating

Source and license

Adapted from Wiktionary: nonproof (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.

Last updated:

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