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deficient

Synonyms and Antonyms of deficient

1 lacking some necessary part

  • a diet deficient in calcium can lead to weak bones
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2 falling short of a standard

  • woefully deficient eyesight kept him out of military service
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Phrases Synonymous with deficient

below par (or under), from hunger

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3 not coming up to an expected measure or meeting a particular need

  • too deficient in common sense to be trusted to stay by himself
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a knickknack or trinket

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