deficient
[adjective]
Synonyms:
- lacking, inadequate, insufficient, meagre, scant, scarce, short, skimpy, wanting
- unsatisfactory, defective, faulty, flawed, impaired, imperfect, incomplete, inferior, weak

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Antonyms: adequate, sufficient
Contrasted words: complete, entire, intact, whole, acceptable, adequate, sufficient, excessive, extravagant, immoderate, inordinate, enough, satisfactory, sufficing
Related Idioms: in want of, found wanting
Related Words: faulty, flawed, imperfect, unsound, damaged, impaired, injured, marred, amiss, bad, unsatisfactory, infrequent, rare, uncommon

[TahlilGaran] English Synonym Dictionary ▲

de‧fi‧cient /dɪˈfɪʃənt/ adjective formal
[Date: 1500-1600; Language: Latin; Origin: deficiens, present participle of deficere; ⇒ defect¹]

1. not containing or having enough of something:
Women who are dieting can become iron deficient.
deficient in
patients who were deficient in vitamin C

2. not good enough:
Our prisons are our most deficient social service.

[TahlilGaran] Dictionary of Contemporary English ▲

deficient
adj.
VERBS be, prove | become
ADV. sadly, seriously, severely, very, woefully An educational system which fails to teach basic arithmetic is seriously deficient.
totally | rather, slightly
PREP. in Their food is deficient in iron.

[TahlilGaran] Collocations Dictionary ▲