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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

WNO youth opera, in its first live appearance in 18 months, will perform Ar Lan yr Môr and Tân Cerdd, as well as presenting a song composed for the event entitled Ymuno.

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

“Crazy, right? AR keeps calling me a vet,” James said, chuckling.

From Los Angeles Times ● Oct. 3, 2026

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

This past week, a group of AR devotees gathered at the AWE USA conference in Long Beach, Calif. Everyone there is betting that augmented-reality glasses will eventually come out on top.

From Barron's ● Jun. 18, 2026

Critics question the merits of Snap’s decision to double down on AR spending, as well as some of the design and pricing choices made with this latest iteration of the glasses.

From MarketWatch ● Jun. 17, 2026

It had all the bells and whistles like AR support and 5G capabilities.

From "Healer of the Water Monster" by Brian Young

“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

It appears as a-, ab-, ac-, ad-, af-, ag-, al-, an-, ap-, ar-, as-, at-, as in achieve, abbreviate, accede, admire, affix, aggregate, allot, annex, approve, arrive, assign, attract.

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

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

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 R. G. (Robert Gordon) Latham

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

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

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

C–F, development of the spore fruit, × 300. ar. archicarp.

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

Crest—"A lion's gamb couped ar., grasping a broken tilting lance, the spear end pendant gu."

From Dorothy Payne, Quakeress A Side-Light upon the Career of 'Dolly' Madison by Ella Kent Barnard

The position of ar. is also indicated in Figure 1.

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

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 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

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

The movie, which has Hindi and English versions, has been scored by Oscar-winning composers Hans Zimmer and A.R.

From Barron's ● Nov. 5, 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

Danny Boyle’s “Slumdog Millionaire” had two nominations in the category for “O Saya” and “Jai Ho,” the latter of which won in 2009; both were performed by composer A.R.

From Los Angeles Times ● Mar. 16, 2023

A.R. asks, "On what ground is the base song, 'The Owl is abroad' attributed to Henry Purcell?"

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

A cow may be borne by some name, but at present I only recollect that of Vach: to which is accorded, Ar. three cows' heads erased sable.

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

Ar. wakaijaru, worthless, dirty, wakaijatti lihi, a worthless fellow.

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

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 Noah Webster

Ar. barrak¾n a kind of black gown, perh. fr.

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

"We decided to change it to Ty ar Gynnydd, which means 'house on the rise' because of its beautiful views, and we were now living in Wales for one last adventure."

From BBC ● Aug. 1, 2022

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

The pianos plink along softly; it sounds as if a dozen are playing all ar once, as if the sound comes from every point of the compass.

From "All the Light We Cannot See" by Anthony Doerr

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