a. D.

\aːˈdeː\

/\aːˈdeː\/ adj

The verdict

“a. D.” is uncommon French (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency French
5
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Abréviation de außer Dienst / ausser Dienst (« hors service », « à la retraite »).

Corpus desk

Index FR-a-d · a. D. · French

a. D. · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 5 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for a. D.
PropertyValue
Headworda. D.
LanguageFrench
Part of speechAdjective
IPA\aːˈdeː\
Letters5
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « a. D. » en français

a. D.n'entre pas dans le top 100.000 du français: zone de termes techniques, archaïques ou rares.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

a. D. is uncommon French outside the top frequency list, classed as anadjective, transcribed \aːˈdeː\. Rarity is why readers land here mid-draft. Gloss: "Abréviation de außer Dienst / ausser Dienst (« hors service », « à la retraite »).".

a. D. doesn't appear in our generated misspelling index, suggesting the orthography follows predictable French patterns. Our confusable-pair dataset has no match for it, a sign it's visually distinctive enough not to be mixed up with another word.

This entry carries no recorded etymology, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct French form is a. D., spelled A-.- -D-..

Definition

  1. 1
    Abréviation de außer Dienst / ausser Dienst (« hors service », « à la retraite »).

Recorded use

Wiktionary example

These source excerpts show how a. D. appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Oberlokomotivführer a. D. : mécanicien à la retraite.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "a. D."?
"a. D." is spelled A-.- -D-.. The IPA pronunciation is \aːˈdeː\.
What does "a. D." mean?
As an adjective, "a. D." means: Abréviation de außer Dienst / ausser Dienst (« hors service », « à la retraite »).
How do you pronounce "a. D."?
The IPA (International Phonetic Alphabet) transcription for "a. D." is \aːˈdeː\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "a. D." come from?
"a. D." is a French word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list