·adj Tending to excite or inflame factions, sedition, or quarrel; inflammatory; seditious.
II. Incendiary ·noun Any person who maliciously sets fire to a building or other valuable or other valuable property.
III. Incendiary ·noun A person who excites or inflames factions, and promotes quarrels or sedition; an agitator; an Exciter.
IV. Incendiary ·adj Of or pertaining to incendiarism, or the malicious burning of valuable property; as, incendiary material; as incendiary crime.