Southern Illinois Synonyms

We can't find synonyms for the phrase "Southern Illinois", but we have synonyms for terms, you can combine them.

Southern Synonyms

Illinois Synonyms

SI abbreviation

SI is an abbreviation for Southern Illinois
What does SI stand for?
SI stands for "Southern Illinois"

Definitions for Southern


  • (adjective) situated in or oriented toward the south
  • (adjective) situated in or coming from regions of the south
  • (adjective) from the south ; used especially of wind

Definitions for Illinois


  • (noun) a midwestern state in north-central United States
  • (noun) a member of the Algonquian people formerly of Illinois and regions to the west
  • (noun) the Algonquian language of the Illinois and Miami