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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

“This is the purpose of this policy,” said Aviv Tatarsky, a researcher at Ir Amim.

From Seattle Times Feb. 7, 2023

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

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

Ignacio Rodriguez, founder and chief executive of IR Architects, is currently building 16 custom homes for families in the Palisades.

From Los Angeles Times Dec. 17, 2025

Veteran safety Tony Jefferson has turned his practice squad reps into a starting role, finishing with 20 tackles in three starts since Gilman went on IR.

From Los Angeles Times Dec. 24, 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

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

From Science Daily Jan. 24, 2024

"She's a geologist. She knows IR can't get through a sandstorm."

From "The Martian" by Andy Weir

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

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

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

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

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

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

Perhaps also from the root pi we may derive the Ir. buinn, river, bual, biol, water.

From The River-Names of Europe by Robert Ferguson

Gael. and Ir. snuadh, to flow, and snuadh, a river, whence I take the following.

From The River-Names of Europe by Robert Ferguson

AS. breac rheum, broc sickness, Ir. bracha corruption.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Noah Webster

A derivative form is the Gael. and Ir. snidh or snith, to ooze through, distil, Obs.

From The River-Names of Europe by Robert Ferguson

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

They've also signed a veteran kicker, Shayne Graham, who won the job after fifth-round rookie Randy Bullock landed on I.R. with a torn groin muscle.

From New York Times Aug. 30, 2012

“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

But he is clearly comfortable ir his new role.

From Time Magazine Archive

But nowadays she ir besieged by full-fledged composers who have outgrown their schoolbooks, need expert advice on polishing off finished compositions.

From Time Magazine Archive

He hardly needed to; it took a keen eye to see Harth rem ir Estraven in the thin weatherworn tramp.

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

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