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.

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

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.

Although they appear to have differing prefixes, flammable and inflammable both describe materials that catch fire easily. The term inflammable might be misleading due to its prefix, while flammable is …

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

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 …

Dec 14, 2025 · Adjective flammable (comparative more flammable, superlative most flammable) Capable of burning.

Liable to catch fire; readily combustible; inflammable.... Click for English pronunciations, examples sentences, video.

Britannica Dictionary definition of FLAMMABLE [more flammable; most flammable] : capable of being set on fire and of burning quickly a flammable liquid a highly flammable fabric

Both flammable and inflammable mean the same thing—despite the fact that they look like opposites. Nonflammable for things that don't burn is an unambiguous option.