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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

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

“We’ll be rolling out to other college campuses this year,” Ir said, although he declined to say which ones.

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

The Chargers coach did not clarify whether the injury was related to the high-ankle sprain that put Edwards on IR earlier this season.

From Los Angeles Times ● Dec. 26, 2024

Once placed on IR, Nacua will miss at least the next four games.

From Los Angeles Times ● Sep. 9, 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 Chiefs have a former Niners player from that game in receiver Richie Hames, along with defensive lineman Derrick Nnadi on IR, and Austin Reiter and Mike Pennel on the practice squad.

From Seattle Times ● Jan. 30, 2024

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

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

The line of breakers ran for about a mile from southwest to northeast, and two hundred fathoms to the north of the ship an ir- regular mass of rocks formed a small islet.

From The Survivors of the Chancellor by Jules Verne

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

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

And the Sansc. sarit, Gael. and Ir. sroth, sruth, a river, seem to be found in the following.

From The River-Names of Europe by Robert Ferguson

In referring to the root ark, erk, I have omitted the Ir. earc, water, the appellative most nearly concerned.

From The River-Names of Europe by Robert Ferguson

Ir. athair with Lat. pater; Ir. lān, “full,” Welsh llawn, Breton leun, with Lat. plenus; Gaulish are-, “beside,” Ir. ar.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" by Various

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

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

That has less to do with the size of the vessel’s hazardous cargo than the unique natural features and usage of the Red Sea, said Ian Ralby, founder of maritime security firm I.R.

From Seattle Times ● Mar. 2, 2024

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

From Inc ● Nov. 6, 2012

Tight end Jermichael Finley is the only genuine difference-maker returning from I.R..

From New York Times ● Aug. 24, 2011

Warren, who was cut by New England last month, spent last season on I.R. with a hip injury.

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

The stylized forms and archaic symbolism of the past appear increasingly ir relevant to some people, who nonetheless feel the need for some form of religious sanction for their love.

From Time Magazine Archive

But he is clearly comfortable ir his new role.

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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