Flammable meaning

flăm'ə-bəl
Any flammable substance.
noun
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The definition of flammable is something that is easy to set on fire.

Lighter fluid is an example of something flammable.

adjective
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Easily ignited and capable of burning rapidly.
adjective
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Subject to easy ignition and rapid flaming combustion.
adjective
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Easily set on fire; that will burn readily or quickly.
adjective
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Capable of burning, especially a liquid.
adjective
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Easily set on fire.
adjective
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Origin of flammable

From Latin inflammare ‘to set on fire’ + the suffix -able via English inflammable. The in- prefix is dropped to avoid confusion with non-flammable, as in many English words of Latin origin (but not this word) the prefix "in-" and similar means "not".