Dictionary and Thesaurus

Definition of Deficient

• (a.) Wanting, to make up completeness; wanting, as regards a requirement; not sufficient; inadequate; defective; imperfect; incomplete; lacking; as, deficient parts; deficient estate; deficient strength; deficient in judgment.

Synonyms of Deficient

• Lacking
• Wanting
• Inferior
• Substandard
• Insufficient

Antonyms of Deficient

• Sufficient

Homophones of Deficient