nonflammable

N1O1N1F4L1A1M3M3A1B3L1E1

adjective

Not combustible.

UncommonScrabble 21

Meanings

adjectivenonflammable (not comparable)

alternative non-flammable

  1. not comparableNot combustible.
  2. not comparableNot easily set on fire.
nounnonflammable (plural nonflammables)

plural nonflammables · alternative non-flammable

  1. Any nonflammable substance.

Synonyms & antonyms

adjectiveimpossible to ignite

Synonym sets from Open English WordNet, CC BY 4.0.

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. Englishflammable
  15. Englishnonflammable

From non- + flammable.

Full word history & related roots →

Translations

Bulgarian незапалим
  • незапалим (nezapalim)not combustible
Finnish palamaton
  • palamatonnot combustible
French ininflammable
  • ininflammablenot combustible
German unbrennbar, nichtbrennbar
  • unbrennbarnot combustible
  • nichtbrennbarnot combustible
Greek άκαυστος, μη εύφλεκτος
  • άκαυστος (ákafstos)not combustible
  • μη εύφλεκτος (mi éfflektos)not combustible
  • άφλεκτος (áflektos)not combustible
  • μη αναφλέξιμος (mi anafléximos)not combustible
Irish dolasta, doloiscthe
  • dolastanot combustible
  • doloiscthenot combustible
  • neamh-inlastanot combustible
Cite this entry
APA

nonflammable. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/nonflammable

MLA

“nonflammable.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nonflammable. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “nonflammable,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/nonflammable.

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