incendiary

Adjective

• capable of catching fire spontaneously or causing fires or burning readily
  • an incendiary agent
    
  • incendiary bombs
    

• arousing to action or rebellion

• involving deliberate burning of property
  • an incendiary fire
    

Noun

• a bomb that is designed to start fires; is most effective against flammable targets (such as fuel)

• a criminal who illegally sets fire to property

Related words

• Synonyms: 
  incitive , inflammatory , instigative , rabble-rousing , seditious , incendiary bomb , firebomb , arsonist , firebug