Definition of Incendiary

Adjective: incendiary in'sen-dee,e-ree or in'sen-d(ee-)u-ree [N. Amer], in'sen-d(ee-)u-ree [Brit]

Involving deliberate burning of property
"an incendiary fire"
Arousing to action or rebellion
"By contrast, such people fear charismatic or incendiary oratory because it seems to by-pass the rational faculties of the audience";
- incitive, inflammatory, instigative, rabble-rousing, seditious
Capable of catching fire spontaneously or causing fires or burning readily
"an incendiary agent"; "incendiary bombs"

Noun: incendiary in'sen-dee,e-ree or in'sen-d(ee-)u-ree [N. Amer], in'sen-d(ee-)u-ree [Brit]

A criminal who illegally sets fire to property
- arsonist, firebug, fire-raiser [Brit]
A bomb that is designed to start fires; is most effective against flammable targets (such as fuel)
- incendiary bomb, firebomb