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de·fi·cient

deficient

 
 
pronunciation:
dih fI shnt
features:
Word Combinations (adjective), Word Parts
part of speech: adjective
definition 1: lacking some essential part, element, substance, or characteristic.
Their diet is deficient in vitamin C.She finds her daughter-in-law deficient in good manners.The struggling nation is rich in natural resources but deficient in infrastructure.With respect to piano skill, I'm sadly deficient.
synonyms:
lacking, wanting
antonyms:
adequate, complete, sufficient
similar words:
defective, inadequate, insufficient, poor, short
definition 2: inadequate in amount or extent.
His knowledge of mathematics is deficient, so he's having difficulty with his physics course.
synonyms:
inadequate, insufficient, short, wanting
antonyms:
adequate, excessive, superfluous
similar words:
defective, feeble, ill, incomplete, poor, scarce, sketchy, skimpy, substandard, unsatisfactory
Word CombinationsSubscriber feature About this feature
derivation: deficiently (adv.)
Word PartsSubscriber feature About this feature