deficient

\dɪ.ˈfɪ.ʃənt\

/\dɪ.ˈfɪ.ʃənt\/ adj

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“deficient” is outside the top-ranked French vocabulary, used as an adjective - the kind of word writers most often double-check.

Unranked
below top-frequency French
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Déficient.

Key facts for deficient
PropertyValue
Headworddeficient
LanguageFrench
Part of speechAdjective
IPA\dɪ.ˈfɪ.ʃənt\
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “deficient” sits in French frequency

deficient falls outside the top-100,000 ranked French words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Spelling & Dictionary Insight

The French entry for deficient is 9 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as \dɪ.ˈfɪ.ʃənt\. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Déficient.".

We couldn't generate a plausible misspelling set for deficient, a sign its spelling follows regular French conventions. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Our source data has no etymology on file for this entry, 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 deficient, spelled D-E-F-I-C-I-E-N-T.

Definition

  1. 1
    Déficient.

Synonyms

insufficient

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 "deficient"?
"deficient" is spelled D-E-F-I-C-I-E-N-T. The IPA pronunciation is \dɪ.ˈfɪ.ʃənt\.
What does "deficient" mean?
As an adjective, "deficient" means: Déficient.
How do you pronounce "deficient"?
The IPA (International Phonetic Alphabet) transcription for "deficient" is \dɪ.ˈfɪ.ʃənt\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "deficient" come from?
"deficient" 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.

Using “deficient”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is D-E-F-I-C-I-E-N-T - every other letter order is a misspelling in standard orthography.
  • Say it as \dɪ.ˈfɪ.ʃənt\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more French words and confusable pairs in the same reference. French words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list