ddl

\də.ɡʁe də li.bɛʁ.te\

/\də.ɡʁe də li.bɛʁ.te\/ noun

The verdict

“ddl” is uncommon French (frequency #65,065 among 5,307 “D” headwords), classed as a noun. The kind of spelling people second-guess.

#65,065
frequency rank, French
5,307
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Degré de liberté.

Corpus desk

Index FR-ddl · ddl · French

ddl · rank #65,065 · 0 variants · 0 confusables

  • FREQ-RARE #65,065
  • LEN-MID 3 letters
  • VOW-0 0 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,307
  • PHOTO-FINISH dansée

Nearest frequency peer: dansée (-2 rank slots)

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.

Rangs de longue queue près de « ddl »

Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court

corpus weight

What this shows Vue de longue queue: où « ddl » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for ddl
PropertyValue
Headwordddl
LanguageFrench
Part of speechNoun
IPA\də.ɡʁe də li.bɛʁ.te\
Letters3
Frequency rank#65,065
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « ddl » en français

La fréquence va de la poignée de mots du quotidien (gauche) à la longue queue presque jamais vue (droite).ddltombe dans cette queue de rareté:

#1#100#1K#10K#100K
← used constantlyrarely used →

Les tics avancent en logarithme; chacun est de l'ordre de dix fois plus rare. Voisins rares de la même bande: « dansée » (#65,063), « Dekker » (#65,069), « DELF » (#65,070). Parmi 5,307 lemmes en « D », « ddl » est au #65,065. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ddl is uncommon French at frequency #65,065 among 5,307 “D” headwords, classed as anoun, transcribed \də.ɡʁe də li.bɛʁ.te\. Rarity is why readers land here mid-draft. Gloss: "Degré de liberté.".

The misspelling generator found no plausible variants for ddl, which points to an orthography that plays by predictable French rules. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Wiktionary doesn't record an etymology for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct French form is ddl, spelled D-D-L.

Definition

  1. 1
    Degré de liberté.

Recorded use

Wiktionary example

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

  1. Figure 11.5 Fonctions de densité de lois de Student avec différents degrés de liberté (ddl).

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ddl"?
"ddl" is spelled D-D-L. The IPA pronunciation is \də.ɡʁe də li.bɛʁ.te\.
What does "ddl" mean?
As a noun, "ddl" means: Degré de liberté.
How do you pronounce "ddl"?
The IPA (International Phonetic Alphabet) transcription for "ddl" is \də.ɡʁe də li.bɛʁ.te\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "ddl" come from?
"ddl" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

Similar French words by spelling shape

Same letter count and similar misspelling depth for "ddl", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 3 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list