(transitive) To set on fire; to kindle; to cause to burn, flame, or glow.

(transitive, figuratively) To kindle or intensify (a feeling, as passion or appetite); to excite to an excessive or unnatural action or heat.

(transitive) To provoke (a person) to anger or rage; to exasperate; to irritate; to incense; to enrage.

(transitive) To put in a state of inflammation; to produce morbid heat, congestion, or swelling, of.

To exaggerate; to enlarge upon.

(intransitive) To grow morbidly hot, congested, or painful; to become angry or incensed.