nontrivial

N1O1N1T1R1I1V4I1A1L1
UK/ˌnɒnˈtɹɪ.vi.əl/

adjective

Not obvious or easy to prove; not self-evident.

Less commonScrabble 13

Meanings

adjectivenontrivial (comparative more nontrivial, superlative most nontrivial)

comparative more nontrivial · superlative most nontrivial · alternative non-trivial

  1. Not trivial.
    1. mathematicsNot obvious or easy to prove; not self-evident.
    2. mathematicsNot being of the simplest kind; not being empty or a singleton.

      nontrivial subgroup

      a subgroup with more than one element

    3. computingNeeding significant computing power to solve; intractable.

Origin

  1. Proto-Indo-European*né
  2. Proto-Germanic*ne
  3. Proto-Indo-European*ís?
  4. Proto-Indo-European*h₁óynos
  5. Proto-Germanic*ainaz
  6. Proto-Germanic*nainaz
  7. Proto-West Germanic*nain
  8. Old Englishnān
  9. Middle Englishnon
  10. Old Englishnān
  11. Old Englishnān-
  12. Middle Englishnon-
  13. Englishnon-
  14. Proto-Indo-European*tréyes
  15. Proto-Indo-European*tri-
  16. Proto-Italic*tri-
  17. Latintri-
  18. Proto-Indo-European*weyh₁-
  19. Proto-Italic*wiā
  20. Latinvia
  21. Latintrivius
  22. Proto-Indo-European*h₂el-
  23. Proto-Indo-European*h₂élisder.?
  24. Latintriviālis
  25. Englishtrivial
  26. Englishnontrivial

From non- + trivial.

Full word history & related roots →

Translations

Finnish ei-triviaali, epätriviaali
  • ei-triviaalimathematics: not obvious or easy to prove
  • epätriviaalicomputing: needing significant computing power to solve — see also intractable
  • vaikeanot trivial
  • hankalanot trivial
  • epätriviaalimathematics: not of the simplest kind
German nichttrivial, nichttrivial
  • nichttrivialmathematics: not obvious or easy to prove
  • nichttrivialnot trivial
  • nichttrivialmathematics: not of the simplest kind
Romanian netrivial, netrivial
  • netrivialmathematics: not obvious or easy to prove
  • netrivialnot trivial
  • netrivialmathematics: not of the simplest kind
Ukrainian нетривіа́льний
  • нетривіа́льний (netryviálʹnyj)not trivial
Cite this entry
APA

nontrivial. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/nontrivial

MLA

“nontrivial.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nontrivial. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “nontrivial,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/nontrivial.

Source: nontrivial on Wiktionary, CC BY-SA 4.0.