burst out

Verb (3)

1. give sudden release to an expression“We burst out laughing”“'I hate you,' she burst out”Synonyms: burst out
2. appear suddenly“Spring popped up everywhere in the valley”Synonyms: pop outburst out
3. erupt or intensify suddenly“Unrest erupted in the country”“Tempers flared at the meeting”“The crowd irrupted into a burst of patriotism”Synonyms: eruptirruptflare upflarebreak openburst out