1660s (trans.), "kindle or set on fire, cause to burn," from Latin ignitus, past participle of ignire "set on fire, make red hot," from ignis "fire" (see igneous). Attested earlier as an adjective (1550s). Intransitive sense of "catch fire, begin to burn" is from 1818. Related: Ignited; igniting.
Great heat can ignite almost any dry matter
Marsh gases ignited suddenly
The ostentatious way of living of the rich ignites the hatred of the poor
Ignatius
igneo-
igneous
ignis fatuus
ignitable
ignite
ignition
ignivomous
ignoble
ignominious
ignominy
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