give sudden release to an expression; "We burst out
laughing"; "'I hate you,' she burst out"
appear suddenly; "Spring popped up everywhere in the valley" Synonym(s):pop out, burst out
erupt or intensify suddenly; "Unrest erupted in the country"; "Tempers flared at the meeting"; "The crowd irrupted into a burst of patriotism" Synonym(s):erupt, irrupt, flare up, flare, break open, burst out