Word.ws English Dictionary

nonproper

nonproper adjective: not proper.

Adjective

nonproper (not comparable)

  1. Not proper.
    • a nonproper subset
    • a nonproper noun

Origin of nonproper

From non- + proper.

Questions about nonproper

What does nonproper mean?
Nonproper means not proper.
What part of speech is nonproper?
Nonproper is an adjective.

Words near nonproper in the dictionary

  1. nonpropagating
  2. nonpropagation
  3. nonpropagative
  4. nonpropellant
  5. nonpropelled
  6. nonproper
  7. nonproperties
  8. nonproperty
  9. nonprophetic
  10. nonprophylactic
  11. nonproportional

Source and license

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