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Synonyms of deficient in English:


  • 1 a diet deficient in vitamin A
    lacking, wanting, inadequate, insufficient, limited, poor, scant;
  • 2 deficient leadership
    defective, faulty, flawed, inadequate, imperfect, shoddy, weak, inferior, unsound, substandard, second-rate, poor
  • Definition of deficient in:
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