In general use, flammable is now the preferred term for describing things that can catch fire, but inflammable is still occasionally used with that meaning as well.

A material is flammable if it ignites easily at room temperature. In other words, a combustible material takes more effort to ignite and a flammable material ignites almost immediately when exposed to a …

Usage: Flammable and inflammable are interchangeable when used of the properties of materials. Flammable is, however, often preferred for warning labels as there is less likelihood of …

Unpaid military and security forces, a demoralised public service, armies of unemployed youth and an increasingly impoverished mass population became the core elements of a flammable society.

Definition of flammable adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Mar 4, 2026 · Flammable materials are any substances that can catch fire and burn when exposed to a heat source, spark, or open flame. They include liquids, solids, and gases, and they’re found …

Apr 1, 2026 · Adjective flammable (comparative more flammable, superlative most flammable) Capable of burning.

Flammable is a term that describes the ability for a material to ignite. It is often used alongside combustible which also describes the ability to ignite—but one difference is that flammable materials …

The word, inflammable, which sounds like the opposite of flammable, actually means the same thing — easily catching on fire. If you want to say that something won't catch fire easily, use fireproof and …

FLAMMABLE definition: easily set on fire; combustible; inflammable. See examples of flammable used in a sentence.