Standard Lemma guide

AAR

name · noun · prep_phrase · 13 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American: /ɑɹ/
  • Received-Pronunciation: /ɑː(ɹ)/
  • rhymes with -ɑː(ɹ)

1

name

Meaning 1

Axis2 ARchive file (extension .aar)

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

name

Meaning 2

Air America Radio

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation

Topics: government, politics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

name

Meaning 3

All-American Rejects

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation

Topics: entertainment, lifestyle, music

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

name

Meaning 4

American Academy of Religion

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation

Topics: lifestyle, religion, theology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

name

Meaning 5

Association of American Railroads

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation

Topics: transport

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

name

Meaning 6

A river in Switzerland, flowing 292 km from the glaciers of the Bernese Alps into the Rhine at Koblenz, on the Swiss–German border.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

name

Meaning 7

A river in Germany that flows 50 km from the Taunus in Hesse into the Lahn at Diez, Rhineland-Palatinate.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

name

Meaning 8

A tributary in Hesse, Germany of the Dill river, itself a tributary of the Lahn.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

9

noun

Meaning 9

Aircraft accident report.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation

Topics: aeronautics, aerospace, aviation, business, engineering, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

10

noun

Meaning 10

after-action report; after-action review.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation

Topics: government, management, military, politics, war

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

11

prep_phrase

Meaning 11

At any rate.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

12

prep_phrase

Meaning 12

against all risks.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation

Topics: business, insurance

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

13

noun

Meaning 13

a river in north central Switzerland that runs northeast into the Rhine

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Aare, Aare River

Antonyms: none provided

Broader terms: river

History

Etymology

From German Aare, probably from a Celtic language.

Across languages

Translations

10 source translations are retained for this English entry.

  • Armenian: Աարե (Aare) — river in Switzerland
  • Bulgarian: Аа̀р (Aàr) — river in Switzerland
  • Franco-Provençal: Âra — river in Switzerland
  • French: Aar — river in Switzerland
  • German: Aare — river in Switzerland
  • Greek: Άαρ (Áar) — river in Switzerland
  • Japanese: アーレ川 (āregawa) — river in Switzerland
  • Marathi: आर (ār) — river in Switzerland
  • Russian: А́ре (Áre) — river in Switzerland
  • Ukrainian: А́аре (Áare) — river in Switzerland