verb
ADVERB
▪ spontaneously
▪
The burning foam generates such heat that other items ~ spontaneously.
▪ instantly , suddenly
▪ easily
▪
an explosive that is easily ~d
VERB + IGNITE
▪ fail to
▪
The gunpowder sometimes fails to ~.
Ignite is used with these nouns as the subject: ↑ petrol , ↑ spark
Ignite is used with these nouns as the object: ↑ controversy , ↑ debate , ↑ engine , ↑ fire , ↑ flame , ↑ fuel , ↑ fury , ↑ imagination , ↑ passion