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aad

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AAD¹

proper noun

  1. abbreviation, initialism Initialism of American Academy of Dentists
  2. abbreviation, initialism Initialism of American Academy of Dermatology
  3. abbreviation, initialism Initialism of Australian Antarctic Division For the next four or five years, a special drill designed at the AAD will slice through the ice pulling up 3-metre cores at a time until the drill hits bedrock, almost 3km down. […] The idea to go chasing the world’s oldest ice was included in a 2013 report from Dr Tony Press, the former AAD directo
  4. abbreviation, initialism Initialism of Azure Active Directory

noun AADs

  1. abbreviation, initialism Initialism of Aircraft Assignment Directive
  2. abbreviation, initialism Initialism of automatic activation device
  3. abbreviation, initialism Initialism of Anti-aircraft division
  4. abbreviation, initialism Initialism of Army Air Defense
  5. abbreviation, initialism Initialism of Airborne Assault Division
  6. abbreviation, historical, initialism Initialism of Armored Automobile Detachment

aad²

  • /ɑːd/

Where it comes from

Regional form of old (compare auld), from Northern Middle English ald (southern old).

adjective more aad · most aad

  1. Geordie old He’s aad codger.

aad³

Where it comes from

Initialism.

noun aads

  1. abbreviation, initialism Initialism of active acoustic device; active acoustical device.
  2. abbreviation, initialism Initialism of advanced ammunition depot
  3. abbreviation, initialism Initialism of alloxazine adenine dinucleotide
  4. abbreviation, initialism Initialism of antibiotics-associated diarrhea

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MLA

"aad." Wiktionary, via Micwyn, micwyn.com/word/aad. Accessed 6 Nov. 2026.

APA

aad. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/aad

Chicago

"aad." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/aad.

BibTeX
@misc{aad_2026,
  title = {aad},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/aad},
  urldate = {2026-11-06}
}