v. 25B6; verb
he got to safety moments before the petrol ignited : CATCH FIRE, burst into flames; be set off, explode.
a cigarette ignited the fumes : LIGHT, set fire to, set on fire, set alight, kindle, touch off; informal set/put a match to.
the campaign failed to ignite voter interest : AROUSE, kindle, trigger, spark, instigate, excite, provoke, stimulate, stir up, whip up, incite, fuel.
go out, extinguish.