Don't smoke when you're getting gas at the gas station! Gasoline is flammable, as is dry grass, old wood, cloth and mattresses.

Flammable is a pretty straightforward word with one odd fact about it. 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 you'll be sure to be right.

Definitions of flammable

adj easily ignited

capable of igniting and burning

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