/ ɪnˈsendiəri; NAmE -dieri/ adjective , noun
■ adjective [ only before noun ]
1.
designed to cause fires :
an incendiary device / bomb / attack
2.
( formal ) causing strong feelings or violence
SYN inflammatory :
incendiary remarks
■ noun
( pl. -ies ) a bomb that is designed to make a fire start burning when it explodes
SYN firebomb
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WORD ORIGIN
late Middle English : from Latin incendiarius , from incendium conflagration, from incendere set fire to.