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malnourished vs. undernourished

[mal-nur-isht, -nuhr-] / mælˈnɜr ɪʃt, -ˈnʌr- /

adjective

  1. poorly or improperly nourished; suffering from malnutrition.

    thin, malnourished victims of the famine.

[uhn-der-nur-isht, -nuhr-] / ˌʌn dərˈnɜr ɪʃt, -ˈnʌr- /

adjective

  1. not nourished with sufficient or proper food to maintain or promote health or normal growth.

  2. not given essential elements for proper development.

    emotionally undernourished.