Serious illness Synonyms

Serious replaced

Definitions for Serious


  • (adjective) not joking or playful in mood or manner
  • (adjective) having a matter of importance as its topic
  • (adjective) involving potential loss or injury

Synonyms for phrase

SI abbreviation

SI is an abbreviation for Serious Illness
What does SI stand for?
SI stands for "Serious Illness"

Illness replaced

Definitions for Illness


  • (noun) an abnormal state that disrupts a plant 's or animal 's normal bodily functioning
  • (noun) the condition of not being in good health
  • (noun) impairment of normal physiological function affecting part or all of an organism