Added 9 October 2026
flammable
/ˈflæməbl̩/ adjective
adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about flammable at Wordnik → Where our words come from →
noun
- Any flammable substance.
Origin
Back-formation from inflammable, which is used to avoid confusion with non-flammable, as the prefix in- is often used to mean "un-; non-", although it was originally meant in a sense closely related to en-.
From Wiktionary, via Kaikki.org (CC BY-SA)