The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
IL
3 ENTRIES FOUND:
IL
(abbreviation)
il-
in-
(prefix)
IL
abbreviation
IL
abbreviation
Britannica Dictionary definition of IL
Illinois
ASK THE EDITOR
What are some other ways to say
slowly
?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
cupola
:
a rounded roof or part of a roof
Learn More »