Definition of: incendiary

(in·sen′dē·er′ē) adjective
1. Pertaining to malicious setting on fire.
2. Tending to inflame passion.
3. Capable of generating intense heat, as any of various substances such as magnesium, thermit, or white phosphorus.
4. Pertaining to or containing such a substance: an incendiary bomb.
—noun plural ·ries
1. One who maliciously sets a building on fire; one who commits arson.
2. One who excites to sedition, inflames evil passions, or the like.
3. An incendiary bomb or shell. [<L incendiarius <incendium a fire <incendere set on fire]
—in·cen′di·a·rism (-ə·riz′əm) noun