1. bombs or other devices designed to cause fires
Usage: military
2. people who deliberately start fires, especially as an act of sabotage or terrorism
3. people who stir up conflict or rebellion
Usage: figurative

Examples

• The military used incendiaries to destroy enemy supply depots.
• Police arrested several incendiaries responsible for the warehouse fires.
• The detective suspected incendiaries were behind the string of barn fires.
• During wartime, incendiaries targeted strategic buildings and infrastructure.
• Political incendiaries spread rumors to fuel public unrest.
• The authorities warned against incendiaries who might exploit the tense situation.
• Firefighters found evidence that incendiaries had been used in the attack.