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Ar or arr?

ar is a noun meaning “An AR-15 personal semi-automatic rifle, M-16 assault rifle, M-4 carbine…”; arr is an interjection meaning “Yes”. Use ar as a noun and arr as an interjection (arr is also a noun: “Abbreviation of arrival”). In written English (wordfreq, 2021 data) ar is about 11 times as common as arr.

arorarr

What is the difference between ar and arr?

ararr
Part of speechadjective, noun, interjection, particle, suffix, prefix, verbnoun, interjection, verb
Meaning

An AR-15 personal semi-automatic rifle, M-16 assault rifle, M-4 carbine, derivative or related gun; the Armalite AR family and derivatives

informalAn assault rifle or automatic rifle

Of, near, or pertaining to; adjective suffix appended to various words, often nouns, to make an adjective form. Often added to words of Latin origin, but used…

UKYes

Used stereotypically in imitation of pirates

ExampleNear-synonyms: MR, mixed reality, spatial computing, CPS, cyber-physical systemHow do you know someone's a pirate? Because they arr
Formsarsar
Pronunciation/ˈɑː/ /ˈɑɹ/ /ˈaɹ//ɑː(ɹ)/ /ɑɹː/ [ɑ̝̹ɹ̝ː]
In writing11 times per million words1.0 times per million words

Sources: ar and arr in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Every current meaning of ar and arr

ar

  1. 1

    adjective Initialism of autoregressive

  2. 2

    noun An AR-15 personal semi-automatic rifle, M-16 assault rifle, M-4 carbine, derivative or related gun; the Armalite AR family and derivatives

  3. 3

    noun The name of the Latin script letter R/r

    All the ars in the inscription

  4. 4

    interjection UKAlternative form of arr

  5. 5

    particle UKAlternative form of arr

  6. 6

    particle Alternative form of ah (question particle)

  7. 7

    suffix Of, near, or pertaining to; adjective suffix appended to various words, often nouns, to make an adjective form. Often added to words of Latin origin, but used with other words also

    alveolus + -ar → alveolar

  8. 8

    suffix Ending of some nouns denoting occupations, chiefly inherited from Middle English nouns borrowed from Old French or Medieval Latin

arr

  1. 1

    noun Abbreviation of arrival

  2. 2

    noun Abbreviation of arrondissement

  3. 3

    interjection UKYes

  4. 4

    noun Alternative form of ar; the name of the Latin script letter R/r

  5. 5

    noun Alternative form of arr

  6. 6

    noun Initialism of annual recurring revenue

  7. 7

    noun Abbreviation of arrangement

  8. 8

    interjection Used stereotypically in imitation of pirates

Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.

Which is more common, ar or arr?

ar appears 11 times per million words; arr 1.0 times per million words.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

The words