incendiary
🇺🇸
/ɪnˈsendieri/
🇬🇧
/ɪnˈsendiəri/
able to start a fire or cause damage
The firefighter found an incendiary device in the ruins.
likely to cause strong reactions or arguments
Her incendiary speech ignited the crowd's enthusiasm.
a device that starts a fire when it explodes
Authorities discovered an incendiary hidden in a closet.