INFLAMMABLE
flammable, inflammable
(adjective) easily ignited
Source: WordNet® 3.1
Etymology
Adjective
inflammable (comparative more inflammable, superlative most inflammable)
Capable of burning; easily set on fire.
(figuratively) Easily excited; set off by the slightest excuse; easily enraged or inflamed.
Usage notes
• Inflammable can be misinterpreted as an antonym of flammable and so taken to have the opposite meaning to that intended. Where such confusion might arise, especially where this may be a safety hazard, one may prefer to use flammable or another synonym.
Synonyms
• (capable of burning): combustible, flammable
• (easily excited): hot-headed, quick to anger
Antonyms
• (capable of burning): fireproof, incombustible, non-flammable
• (easily excited): level-headed, unflappable,
Noun
inflammable (plural inflammables)
Any inflammable substance.
Source: Wiktionary
In*flam"ma*ble, a. Etym: [CF. F. inflammable.]
1. Capable of being easily set fire; easily enkindled; combustible;
as, inflammable oils or spirits.
2. Excitable; irritable; irascible; easily provoked; as, an
inflammable temper. Inflammable air, the old chemical name for
hydrogen.
Source: Webster’s Unabridged Dictionary 1913 Edition