Incendiary vs. Arsonist vs. Pyromaniac vs. Firebug

Difference between ..

👉 Incendiary 

1. Sth that is likely to cause violence or strong feelings of anger

e.g. Incendiary speech

2. Designed to cause fire

e.g. Incendiary bombs

👉 Arsonist

Sb who deliberately sets fire to a building, property etc.

👉 Pyromaniac

Sb who has an uncontrollable desire to start fire

👉 Firebug (Informal)

1. = Arsonist

2. = Pyromaniac

3. = Incendiary*