Certain insane Synonyms

Definitions for Certain


  • (adjective) known but not named
  • (adjective) having or showing a mind free from doubt
  • (adjective) having been established and usually not subject to change

CI abbreviation

CI is an abbreviation for Certain Insane
What does CI stand for?
CI stands for "Certain Insane"

Definitions for Insane


  • (adjective) having or showing a very abnormal or sick state of mind
  • (adjective) conceived or made without regard for reason or reality
  • (adjective) showing or marked by a lack of good sense or judgment