Sudden onset Synonyms

Sudden replaced

Definitions for Sudden


  • (adjective) not expected
  • (adjective) happening without warning or in a short space of time

Synonyms for phrase

SO abbreviation

SO is an abbreviation for Sudden Onset
What does SO stand for?
SO stands for "Sudden Onset"

Onset replaced

Definitions for Onset


  • (noun) the act or action of setting upon with force or violence
  • (noun) the point at which something begins
  • (noun) the beginning or early stages