Synonyms: break open, burst out, erupt, flare, flare up, irrupt
Definition: erupt or intensify suddenly
Usage: Unrest erupted in the country; Tempers flared at the meeting; The crowd irrupted into a burst of patriotism
Similar words: deepen, intensify
Definition: become more intense
Usage: The debate intensified; His dislike for raw fish only deepened in Japan
Synonyms: flare up
Definition: ignite quickly and suddenly, especially after having died down
Usage: the fire flared up and died down once again
Definition: cause to start burning; subject to fire or great heat
Usage: Great heat can ignite almost any dry matter; Light a cigarette