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Il

1 American  
Symbol, Chemistry.

  1. illinium.

IL 2 American  

abbreviation

  1. Illinois (approved especially for use with zip code).

  2. Baseball. injured list.

    Players testing positive for the virus will be put on a specially designated IL, but details of their medical condition will not be disclosed.
il- 3 American  

  1. variant of in- (by assimilation) before l: illation.

il- 4 American  

  1. variant of in- (by assimilation) before l: illogical.

-il 5 American  

  1. variant of -ile.

    civil.
il. 6 American  

abbreviation

  1. illustrated.

  2. illustration.

IL 1 British  

abbreviation

  1. Illinois

  2. Israel (international car registration)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
il 2 British  

abbreviation

  1. Israel

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
il- 3 British  

prefix

  1. variant of in- 1 in- 2

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Then, Kim Jong Il stayed out of the public eye for more than a month.

From The Wall Street Journal • Mar. 4, 2026

Last weekend, Il Messaggero, external and Corriere della Sera, external reported the allegations in the Italian media for the first time.

From BBC • Feb. 23, 2026

Kim Il Sung, the current leader’s grandfather, founded North Korea in 1950.

From The Wall Street Journal • Feb. 13, 2026

The film’s romantic patio scene is filmed at the Beverly Hills restaurant Il Cielo.

From Los Angeles Times • Feb. 13, 2026

The music tinkled out shrilly, a song from Carmen or Il Trovatore.

From "A Tree Grows in Brooklyn" by Betty Smith

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.