Definitions

1. noun

1. A substance or device that causes fire. 2. A person or thing that causes or promotes conflict or violence.

“The incendiary device was found in the abandoned building.”

2. adjective

1. Causing or intended to cause fire. 2. Capable of igniting or promoting conflict or violence.

“The politician’s incendiary comments sparked outrage on social media.”

3. adverb

In a way that causes or is intended to cause fire or conflict.

“The protesters marched through the streets in an incendiary mood.”