out ‧ burst /ˈaʊtbɜːst $ -bɜːrst/ BrE AmE noun [countable]
1 . something you say suddenly that expresses a strong emotion, especially anger:
He later apologized for his outburst.
emotional/violent/angry outburst
his father’s violent outbursts of temper
outburst of
an outburst of anger
2 . a sudden short increase in an activity
outburst of
an outburst of creative energy
outbursts of violence