Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • 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

Il·li·nois·an play \ˌi-lə-ˈnȯi-ən also -ˈnȯi-zən\ adjective or noun



ILLINOIS Defined for Kids

Illinois

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

Definition of Illinois

  1. state N central U.S.; capital, Springfield




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

February 10, 2016

to put in good humor

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

duvet kittly-benders pince-nez spindrift
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ