Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Illinois

play
noun, Il·li·nois \ˌi-lə-ˈnȯi also -ˈnȯiz\

Definition of Illinois

plural Illinois

  1. 1 plural :  a confederacy of American Indian peoples of Illinois, Iowa, and Wisconsin

  2. 2 :  a member of any of the Illinois peoples

  3. 3 :  the Algonquian language of the Illinois



Origin of illinois

French, earlier Eriniouai, singular, probably from a word in an Algonquian language derived from Proto-Algonquian *elen- ordinary + *-we· make a sound


First Known Use: 1703


Illinois

play
geographical name Il·li·nois \ˌi-lə-ˈnȯi also -ˈnȯiz\

Definition of Illinois

  1. 1 river 273 miles (439 kilometers) Illinois flowing SW into Mississippi River

  2. 2 state cen United States ∗ Springfield area 56,400 square miles (146,640 square kilometers), pop 12,830,632

Illinoisan play \ˌi-lə-ˈnȯi-ən also -ˈnȯi-zən\ adjective or noun



Learn More about illinois


Seen and Heard

What made you want to look up Illinois? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a timid, meek, or unassertive person

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

perplex soothe reduce disapprove
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ