adjective

flammable

flammable, inflammable

Petrol is highly flammable.

Gasoline is highly flammable.

Keep flammable materials away from fire.

Keep flammable materials away from fire.

((adjective)) easily set on fire. Gasoline is highly flammable.

Synonyms: combustible, ignitable; Antonyms: non-flammable, fireproof

From Latin 'flammare' (to burn), related to 'flame'.

'Flammable' and 'inflammable' mean the same thing. Think of the 'in-' prefix as intensifying the flame, not negating it.

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