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Synonyms

Ir

1 American  

abbreviation

  1. Irish.

Ir 2 American  
Symbol, Chemistry.

  1. iridium.

IR 3 American  

abbreviation

  1. infrared.

  2. Football, Ice Hockey. injured reserve.

    Ending up on the IR so close to the end of the regular season may keep him off the ice for the entire Stanley Cup playoffs.

  3. intelligence ratio.

  4. information retrieval.

ir- 4 American  

  1. variant of in- (by assimilation) before r: irradiate.

ir- 5 American  

  1. variant of in- (by assimilation) before r: irreducible.

Ir. 6 American  

abbreviation

  1. Ireland.

  2. Irish.

I.R. 7 American  

abbreviation

  1. immediate reserve.

  2. infantry reserve.

  3. intelligence ratio.

  4. internal revenue.

IR 1 British  

abbreviation

  1. infrared

  2. (formerly, in Britain) Inland Revenue

  3. Iran (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
Ir. 2 British  

abbreviation

  1. Ireland

  2. Irish

"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
Ir 3 British  

symbol

  1. iridium

"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
ir- 4 British  

prefix

  1. a 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
ir 5 British  

abbreviation

  1. Iran

"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.

Aviv Tatarsky, a researcher at the Israeli anti-settlement organisation Ir Amim, said no official Israeli statement linked the demolition and evacuation notices in Al-Eizariya to the E1 project.

From Barron's • Nov. 25, 2025

The proposal floated by Israel’s Supreme Court last month would have made them “protected tenants,” blocking any eviction and demolition order for at least 15 years, according to Ir Amim, an Israeli rights group.

From Washington Post • Nov. 2, 2021

College campuses “pose certain unique challenges to the delivery businesses,” said Sean Ir, director of strategy for Grubhub, who attended the demonstration.

From Seattle Times • Sep. 6, 2021

Later, a report from Ir Amim, an Israeli human rights group, established that the tragedy resulted from the multiple challenges of living beyond the separation barrier.

From New York Times • Dec. 1, 2016

"Ir was. This time my coin will champion Ser Loras."

From "A Game of Thrones" by George R.R. Martin

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.