nonserious

N1O1N1S1E1R1I1O1U1S1

adjective

Not serious.

Similar
unserious
OriginEnglish serious ← Middle English seryows ← Old French serieux →
Scrabble 10
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Meanings

adjectivenonserious (not comparable)
  1. not comparableNot serious.

    Very rare and life-threatening disorders[…] can start with a common, nonserious symptom.

    2007 July 11, “The Art and Science of Diagnosis (4 Letters)”, in New York Times

    Synonyms: unserious

Synonyms & antonyms

adjectiveNot serious.

Similar
unserious
Also see
unserious

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*seh₁-
  15. Proto-Italic*sēros
  16. Latinsērus
  17. Proto-Indo-European*swer-
  18. Proto-Italic*swerjos?
  19. Latinsērius
  20. Proto-Indo-European*h₃ed-
  21. Proto-Indo-European*h₃édosder.?
  22. Medieval Latinsēriōsus
  23. Old Frenchserieux
  24. Middle Englishseryows
  25. Englishserious
  26. Englishnonserious

From non- + serious.

Full word history & related roots →
Cite this entry
APA

nonserious. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/nonserious

MLA

“nonserious.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nonserious. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “nonserious,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/nonserious.

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