déficient
French, adjective\de.fi.sjɑ̃\
déficient is spelled D-É-F-I-C-I-E-N-T (9 letters) and appears about once in every 2 million words in written French, the 40,661st most frequent French word form (wordfreq, 2021 data). Déficient is a French adjective meaning “deficient” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Où il y a un manque”.
What does déficient mean in English?
adjective
- 1
deficient
- 2
defective
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
adjective: 1. Où il y a un manque. 2. Mauvais.
noun: 1. Personne atteinte d’une déficience sur le plan physique ou mental.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of déficient
- déficiente feminine
- déficients masculine plural
- déficientes feminine plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce déficient?
- \de.fi.sjɑ̃\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to déficient
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is déficient in French?
déficient appears about once in every 2 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).