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  • Ar
    Ar
    abbreviation
  • AR
    AR
    abbreviation
    annual return.
  • A/R
    A/R
    account receivable.
  • ar-
    ar-
    variant of ad- before r: arrears.
  • -ar
    -ar
    variant of the adjective-forming suffix -al, joined to words in which an l precedes the suffix: circular; lunar; singular .
  • ar.
    ar.
    abbreviation
    arrival.
  • a.r.
    a.r.
    abbreviation
    all risks.
  • A.R.
    A.R.
    abbreviation
    annual return.
  • Ar.
    Ar.
    abbreviation
    Arabia(n)
  • ar
    ar
    abbreviation
    Argentina

Ar

1 American  
Or Ar.

abbreviation

  1. Arabic.


Ar 2 American  
Symbol, Chemistry.
  1. argon.


AR 3 American  

abbreviation

  1. annual return.

  2. (loosely) AR-15.

  3. Arkansas (approved especially for use with zip code).

  4. Army Regulation.

    This regulation supersedes AR 600-20, dated 6 November 2014.

  5. atmospheric river.

  6. augmented reality.


A/R 4 American  
Or a/r
  1. account receivable.

  2. accounts receivable.


ar- 5 American  
  1. variant of ad- before r: arrears.


-ar 6 American  
  1. variant of the adjective-forming suffix -al, joined to words in which an l precedes the suffix: circular; lunar; singular .


-ar 7 American  
  1. variant of -er, often under the influence of a spelling with -ar- in a cognate Latin noun.

    burglar; cellar; collar; mortar; poplar; scholar; vicar; vinegar.


-ar 8 American  
  1. variant of -er on the model of -ar, used in the formation of nouns of agency: liar; beggar .


ar. 9 American  

abbreviation

  1. arrival.

  2. arrive; arrives.


a.r. 10 American  

abbreviation

  1. Insurance. all risks.


A.R. 11 American  

abbreviation

  1. annual return.

  2. Army Regulation; Army Regulations.


AR 1 British  

abbreviation

  1. Arkansas

  2. Autonomous Region

  3. Also: A/R.  (in the US and Canada) accounts receivable

"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

Ar. 2 British  

abbreviation

  1. Arabia(n)

  2. Also: Ar.  Arabic

"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

-ar 3 British  

suffix

  1. of; belonging to; like

    linear

    polar

    minuscular

"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

Ar 4 British  

symbol

  1. argon

"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

a.r. 5 British  

abbreviation

  1. anno regni

"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

ar 6 British  

abbreviation

  1. Argentina

"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

Usage

What else does AR mean? AR can stand for hundreds of things, but here are three of the big ones: augmented reality, alternate reality, and ArmaLite rifle. How do you pronounce AR?[ ey-ahr ]

Etymology

Origin of -ar

< Latin -āris; replacing Middle English -er < Anglo-French, Old French < Latin -āris

Vocabulary lists containing ar

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:

Among them are more than 160 prominent figures, including author Ayse Kulin and actress Mujde Ar.

From Barron's Feb. 25, 2026

While most who patronize Ar de Rock don’t go to Mass, she added, some become curious enough to ask about worship times.

From Seattle Times Nov. 9, 2023

“Is it a sin to put them to work? No,” said Phrakru Samuhan Panyatharo, the abbot of the temple, Wat Pa Ar Jiang.

From New York Times Apr. 1, 2023

Mark Drakeford and Presiding Officer Elin Jones greeted the Queen on the Senedd steps before heading into the building where the Welsh National Opera's youth branch performed traditional Welsh folk song Ar Lan yr Môr.

From BBC Oct. 14, 2021

He did not come up the course of the Ar like most people, but down, out of the forests of the higher mountainside.

From "A Wizard of Earthsea" by Ursula K. Le Guin

Investigators searched the man’s home and found an “illegally modified AR platform rifle,” a pistol, magazines, ammunition and body armor, among other things.

From The Wall Street Journal Aug. 5, 2026

No company has made as focused a bet on AR as Snap.

From Barron's Jun. 18, 2026

According to estimates from activist investor Irenic Capital Management, Snap has spent more than $3.5 billion so far on AR hardware, based on assumptions about average annual spending and the cost of an AR acquisition.

From MarketWatch Jun. 17, 2026

Snap later began shifting towards AR, offering new Spectacles in 2021 to a "select group of global creators" in the field.

From BBC Jun. 17, 2026

AR: Well, JJ, that’s certainly an inspiring story, and I know our readers will appreciate your sharing it with us all.

From "The Landry News" by Andrew Clements

“Automate revenue and coding from clinical activity to reduce administrative overhead, avoid missing charges, reduce A/R days and increase total revenue,” the company’s website says.

From Los Angeles Times Dec. 10, 2021

"Money that stays too long in A/R is a disaster waiting to happen," Rohr says.

From Inc Feb. 19, 2010

Salesmen for the  GSCI and  other commodity indexes ar- gued  that  their products were an  important way to diversify in- vestment  portfolios.

From MSNBC Jun. 4, 2014

Rolling end over end in a flash flood in a big ar- royo.

From "Ceremony:" by Leslie Marmon Silko

And I, Sam Gribley, felt just wonderful, just wonder- I pushed the raft down the stream and gathered ar- rowleaf bulbs, cattail tubers, bulrush roots, and the nutlike tubers of the sedges.

From "My Side of the Mountain" by Jean Craighead George

Starting in fall 1793, British troops began ar- riving in Saint Domingue to reenslave people and return them to their sugar plantations.

From "Sugar Changed the World: A Story of Magic, Spice, Slavery, Freedom, and Science" by Marc Aronson

There was something about the Chancellor that pleased me, and a kind of involuntary impulse took me on board, where I found the internal ar- rangements perfectly comfortable.

From The Survivors of the Chancellor by Jules Verne

Some nouns of this decl. take -ar in the gen. sing., especially proper names, such as Hākon, gen.

From Icelandic Primer with Grammar, Notes and Glossary by Henry Sweet

Tree = arb‑o; suf. -ar denotes a collection of trees. 9To turn.

From International Language Past, Present and Future: With Specimens of Esperanto and Grammar by Walter John Clark

Nouns ending in -a, -e, -i, -y, -o, -l, -n, -t, -ar, -ur, -ŭs are Neuter.

From New Latin Grammar by Charles E. (Charles Edwin) Bennett

Archiās, declension of, 22. -ar, declension of nouns in, 39. arguō, constr.,

From New Latin Grammar by Charles E. (Charles Edwin) Bennett

These end in the Nominative Singular in -e, -al, and -ar.

From New Latin Grammar by Charles E. (Charles Edwin) Bennett

This stage is called the gastrula stage; ar. is the cavity of the gastrula, the archenteron; b.p. is its opening or blastopore.

From Text Book of Biology, Part 1: Vertebrata by H. G. (Herbert George) Wells

The shield was—Per fesse embattled, ar. and sa., three falcons, belted, countercharged—a bend sinister.

From Notes and Queries, Number 47, September 21, 1850 by Various

C, an older one, × 150. ar. archicarp. sp. young spore sacs.

From Elements of Structural and Systematic Botany For High Schools and Elementary College Courses by Douglas Houghton Campbell

Sa. a lion ramp., ar. within a bordure engr. or.

From Notes and Queries, 1850.12.21 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Geneologists, etc. by George Bell

Fig. 55.—Longitudinal section of a nearly full-grown sporogonium of Madotheca, which has not, however, broken through the overlying cells, × 25. sp. cavity in which the spores are formed. ar. abortive archegonium.

From Elements of Structural and Systematic Botany For High Schools and Elementary College Courses by Douglas Houghton Campbell

Pay Roll. a.r. 1315-1383.—The pay roll is made out monthly in triplicate, one copy being retained and two copies being sent to the Quartermaster.

From Military Instructors Manual by Oliver Schoonmaker

And, of course, they’re playing Luka and A.R. basketball, the two best players on this team throwing down one dagger after another, even playing better with James on the court alongside them.

From Los Angeles Times Mar. 18, 2026

Drawing on work by the scholar John Wood, Ms. Kimber proposes that Murry was not Mansfield’s most significant emotional and professional relationship; that claim properly belongs to a man called A.R.

From The Wall Street Journal Jan. 30, 2026

“Indeed, it has become clear to the State, through conversations with more than one person in contact with her, that A.R. is actively thwarting attempts to serve her to avoid coming to court,” Ahsens wrote.

From Seattle Times Jan. 3, 2024

Public Theater, producing work by playwrights like A.R.

From New York Times Jun. 30, 2023

Did A.R. find in Purcell's Tempest the music of the beautiful lyric, "Where the Bee sucks?"

From Notes and Queries, 1850.12.21 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Geneologists, etc. by George Bell

They found that Ar. ramidus still favored the kind of C3 plants that apes prefer, suggesting that it was still spending a lot of time in woodlands.

From Science Magazine Nov. 12, 2012

Ar. with husband, son and daughter Harrison, Eli.

From Some Reminiscences of old Victoria by Edgar Fawcett

Ar. single; gold miner, now in Customs Lombard, Charles.

From Some Reminiscences of old Victoria by Edgar Fawcett

Ar. with husband and son McPhadden, Mrs. July.

From Some Reminiscences of old Victoria by Edgar Fawcett

But it is probably from the Ar. sallaban, smooth, level.

From The Arawack Language of Guiana in its Linguistic and Ethnological Relations by Daniel Garrison Brinton

Two forensic experts, who looked at the case recently for S4C's Byd ar Bedwar programme, said there was reason to believe another person may have been involved in the deaths.

From BBC Oct. 17, 2025

The United Nations says millions of Afghans ar facing a second winter without enough to eat.

From Reuters Jul. 26, 2022

Un ddraig ar y crys, Jules Rimet yn dal i ddisgleirio.

From The Guardian Mar. 24, 2022

Cam Talbot made 28 saves to help the Wild extended ar franchise record with their 10th straight home win.

From Washington Times Mar. 24, 2021

Bryng us in no eggys, for ther ar many schelles.

From "The Story of Music" by Howard Goodall

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