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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

The topic is heavy, but — in yet another surprise — this memoir about depression has been a best seller in Brazil, where it was originally published as “O Ar Que Me Falta,” in 2021.

From New York Times Feb. 24, 2023

At the royals' arrival at the Senedd a fanfare will be played, and WNO youth opera will perform Ar Lan y Môr.

From BBC Oct. 13, 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

But a series of product disappointments and overly ambitious promises have left AR in the dust.

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

But Snap will have to convince people that it’s worth paying $2,195 for a pair of AR glasses with more tech features.

From Los Angeles Times Jun. 16, 2026

It’s also worked on a prototype of AR glasses called Orion.

From Los Angeles Times Jun. 16, 2026

I knew she would say “Breakfast” And once she did, I went home that afternoon and told my mom that my health teacher said the most important meal of the day is breakfast AR: Ahhh!

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

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

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

Ye'll find, Hinnissy, that 'tis on'y ar- rmies fights in th' open.

From Mr. Dooley's Philosophy by Dunne, Finley Peter

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

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

Instead of the infinitive moods and plural numbers ending in -n as in Holland, the former end in -a, the latter in -ar.

From The Ethnology of the British Colonies and Dependencies by Latham, R. G. (Robert Gordon)

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

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

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

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

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 Clark, Walter John

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 Campbell, Douglas Houghton

G, young sporogonium still surrounded by the much enlarged base of the archegonium. h, neck of the archegonium. ar. abortive archegonia, × 12.

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

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 Wells, H. G. (Herbert George)

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

The Baskerville arms—Ar. a chevron gu. between three hurts, impaling, quarterly, one and four, or, a cross moline az, two and three, gu. a chevron ar. between three mallets or—are painted on the panels.

From Notes and Queries, Number 231, April 1, 1854 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. by Bell, George

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 Schoonmaker, Oliver

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

Several days later, in early September, the suit alleges, the singer and his sister, Angel Carter, encouraged A.R. to meet Nick Carter in the lounge area of a bus on the Carters’ Florida property.

From Los Angeles Times Aug. 30, 2023

Over the last two years, Mr. Zuckerberg’s company has plunged billions of dollars into its Reality Labs division, which is responsible for those V.R. and A.R. efforts, and changed its name from Facebook to Meta.

From New York Times Nov. 30, 2022

Eight of the plates are in color, and ninety-six in black and white for the most part from photographs by A.R.

From A Mother's List of Books for Children by Arnold, Gertrude Weld

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. amÆrÏalÏbahr commander of the sea; Ar. amÆr is commander, al is the Ar. article, and amÆrÏal, heard in different titles, was taken as one word.

From Webster's Unabridged Dictionary by Webster, Noah

Ar. young, with father and mother; now with firm of E. B. Marvin & Co.

From Some Reminiscences of old Victoria by Fawcett, Edgar

Ar. alÐkohl a powder of antimony or galena, to paint the eyebrows with.

From Webster's Unabridged Dictionary by Webster, Noah

Ar. with husband; now widow in this city Seward, Thomas W. May.

From Some Reminiscences of old Victoria by Fawcett, Edgar

It was produced and directed by Ed Thomas, whose latest production Pren ar y Bryn/Tree on a Hill is also being filmed in both languages.

From BBC Apr. 9, 2023

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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