outburst
noun /ˈaʊtbɜːst/
  /ˈaʊtbɜːrst/
- a sudden strong expression of an emotion
- an outburst of anger
 - She was alarmed by his violent outburst.
 
Extra Examples- Sorry for that little outburst earlier.
 - her occasional outbursts of temper
 
Oxford Collocations Dictionaryadjective- sudden
 - spontaneous
 - occasional
 - …
 
- outburst against
 - outburst of
 
 - a sudden increase in a particular activity or attitude
- an outburst of racism