burst_out
1. [ verb ] give sudden release to an expression
Examples:

"We burst out laughing" "I hate you," she burst out.

Related terms: express rip_out
2. [ verb ] appear suddenly
Synonyms: pop_out
Examples:

: "Spring popped up everywhere in the valley"

Related terms: appear
3. [ verb ] erupt or intensify suddenly
Synonyms: erupt flare_up break_open irrupt flare
Examples:

"Unrest erupted in the country" "Tempers flared at the meeting" "The crowd irrupted into a burst of patriotism"

Related terms: intensify outburst
Similar spelling:   burster
  burst_in_on
  burst_forth
  bursting
  Burstein
  burst_upon