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Added 10 October 2026

nonflammable

adjective

adjective Definition from Wiktionary (CC BY-SA). More about nonflammable at Wordnik → Where our words come from →

Not combustible.
Not easily set on fire.

noun

Any nonflammable substance.

Origin

From non- + flammable.

From Wiktionary, via Kaikki.org (CC BY-SA)

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