intransitive verb

(of body tissue or an organ) waste away, especially as a result of the degeneration of cells, or become vestigial during evolution.

without exercise, the muscles will atrophy

waste away,waste,become emaciated,wither,shrivel,shrivel up,shrink,become shrunken,dry up,decay,wilt

noun

The process of atrophying or state of having atrophied.

gastric atrophy

wasting,wasting away,emaciation,withering,shrivelling,shrivelling up,shrinking,drying up,wilting,decaying,decay