Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb malnourish

1 sense of malnourish

Sense 1
undernourish, malnourish -- (provide with insufficient quality or quantity of nourishment; "The stunted growth of these children shows that they are undernourished")
       => feed, give -- (give food to; "Feed the starving children in India"; "don't give the child this tough meat")

Antonyms of adj malnourished

1 sense of malnourished

Sense 1
malnourished (vs. nourished) -- (not being provided with adequate nourishment)

nourished (vs. malnourished) -- (being provided with adequate nourishment)
        => corn-fed -- (fed on corn; "corn-fed livestock")
        => full, replete (predicate) -- (filled to satisfaction with food or drink; "a full stomach")
        => well-fed, well-nourished -- (properly nourished)
        => overfed -- (too well nourished)
        => stall-fed -- ((of livestock) kept and fed in a stall in order to fatten for the market)

Similarity of adj malnourished

1 sense of malnourished

Sense 1
malnourished (vs. nourished) -- (not being provided with adequate nourishment)
       => foodless -- (being without food)
       => ill-fed, underfed, undernourished -- (not getting adequate food; "gaunt underfed children"; "badly undernourished")
       => starved, starving -- (suffering from lack of food)
       => unfed -- (not fed)
       => unnourished -- (not nourished)