Deficient
Word Type
Adjective
Adjective
Noun
The word "deficient" can be used as adjective, adjective and noun.
Word Relationships
Derived Terms
bideficient biodeficient deficient number deficient-demand unemployment deficiently deficientness demand-deficient unemployment haplodeficient hyperdeficient immunodeficient indeficient mental deficient multideficient nondeficient phosphodeficient pseudodeficient rank-deficient self-deficient undeficient
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.