Antonyms of adj well-fed

1 sense of well-fed

Sense 1
well-fed, well-nourished -- (properly nourished)

INDIRECT (VIA nourished) -> malnourished -- (not being provided with adequate nourishment)

Similarity of adj well-fed

1 sense of well-fed

Sense 1
well-fed, well-nourished -- (properly nourished)
       => nourished (vs. malnourished) -- (being provided with adequate nourishment)