Main entry: 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
Main entry: burst out, pop out
Definition: appear suddenly
Usage: Spring popped up everywhere in the valley
Main entry: burst out
Definition: give sudden release to an expression
Usage: We burst out laughing; 'I hate you,' she burst out