Definition of ignite

• cause to start burning; subject to fire or great heat; "Great heat can ignite almost any dry matter"; "Light a cigarette"
• start to burn or burst into flames; "Marsh gases ignited suddenly"; "The oily rags combusted spontaneously"
• arouse or excite feelings and passions; "The ostentatious way of living of the rich ignites the hatred of the poor"; "The refugees fate stirred up compassion around the world"; "Wake old feelings of hatred"