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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.

See Examples For:

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

Israel’s emergency service said that it received a report of the shooting in Ma’alot Ir David, an Israeli settlement in East Jerusalem, at 10:42 a.m. on Saturday.

From Washington Post ● Jan. 28, 2023

At least 32 homes have been demolished in Walaja since 2016, according to Ir Amim, a Jerusalem advocacy group.

From New York Times ● Apr. 10, 2022

Although he did not specify which projects he had in mind, Ir Amim, a private group tracking settlements in east Jerusalem, said he was probably referring to projects in Gilo and Givat Hamatos.

From Seattle Times ● Dec. 26, 2016

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

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

After going on IR with a fractured foot last season, he will miss the entire season because of another foot injury.

From Los Angeles Times ● Aug. 27, 2024

Dr Ulrich Schade, in charge of the beamline, and his team continue to develop the instruments to enable unique, state-of-the-art experimental techniques in IR spectroscopy.

From Science Daily ● Apr. 25, 2024

Heck, the guy’s beginning his 17th season on the IR!

From Los Angeles Times ● Feb. 10, 2024

The new method monitors neutral lipids within LDs directly by detecting changes in IR absorbance.

From Science Daily ● Jan. 24, 2024

"IR can't get through sand any better than visible light."

From "The Martian" by Andy Weir

NOTE.—The forms il-, im-, and ir- are euphonic variations of in-.

From New Word-Analysis Or, School Etymology of English Derivative Words by William Swinton

It becomes il- before l; im- before b, m, and p; ir- before r.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

This prefix thus appears as en-, i-, il-, im-, in-, ir-, as enemy, ignoble, illegal, immortal, infirm, irregular.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

During all this time the pris- 431:6 oner attended to his daily labors, partaking of food at ir-         regular intervals, sometimes going to sleep immediately         after a heavy meal.

From Science and Health, with Key to the Scriptures by Mary Baker Eddy

This prefix thus appears as am-, an-, em-, en-, il-, im-, in-, ir-, as ambush, anoint, embrace, enclose, illude, immure, include, irritate.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

And some of the new Republican Senators, notably Maryland's Charles McCurdy Mathias Ir. and Pennsylvania's Richard Schweiker, will add strength to the growing group of G.O.P. progressives.

From Time Magazine Archive

From the Gael. and Ir. taosg, to pour, tias, tide, flood, may be the following.

From The River-Names of Europe by Robert Ferguson

A simpler form of quisl is contained in Old Norse quistr, ramus, and the root is to be found in Sansc. dwis, to separate, Gael. and Ir. dis, two.

From The River-Names of Europe by Robert Ferguson

W. neidr, Gorn. naddyr, Ir. nathair, L. natrix, water snake.

From Webster's Unabridged Dictionary by Noah Webster

“The Gael and Ir. word Beal-tine or Beil-teine signifies Belus’ Fire; as composed of Baal or Belis, one of the names of the sun in Gaul, and tein signifying fire.

From Fishes, Flowers, and Fire as Elements and Deities in the Phallic Faiths and Worship of the Ancient Religions of Greece, Babylon, by Anonymous

Immigration and Customs Enforcement deportation officers, identified only as I.R. and F.H., detained Zaitsev on Tuesday morning, pursuant to an administrative arrest warrant, according to an affidavit filed with a criminal complaint in federal court.

From Los Angeles Times ● Feb. 26, 2025

“Certification connotes a degree of certitude that isn’t at all possible in the gold industry, especially in Brazil,” said David Soud, an analyst at I.R.

From Seattle Times ● Jan. 12, 2022

Source: Ian Gilyeat, founder and chief marketing officer at I.R.

From Inc ● Nov. 6, 2012

He’ll now play behind last year’s second-round pick, Chris Cook, who was up-and-down last season before going on I.R. with a torn meniscus in December.

From New York Times ● Aug. 25, 2011

“He’s not going to be on I.R. at this point, so nothing’s ruled out,” Fox said.

From Washington Post ● Aug. 18, 2011

The loss of sea ice contributes to global warming as the bright white surface makes ir replaced by darker ocean water, which absorbs more sunlight and retains heat.

From Barron's ● Mar. 11, 2026

My cousin said, “Ya te puedes ir a dormir, Grandma.”

From Los Angeles Times ● Dec. 26, 2021

Actually he uses the same sound, intermediate between ir and oi, for both words.

From Time Magazine Archive

They were still going at ir 11:30 p.m. when the American Beauty Ball started.

From Time Magazine Archive

Therem stood up before his parent in the flesh, Lord Harish rem ir Stokven, and said to the men, “Did you do as I bid you?”

From "The Left Hand of Darkness" by Ursula K. Le Guin

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