"Atropy" is probably misspelled. Trying atrophy instead Definition of atrophy
atrophy has definitions from the field of medicine
1
[ noun ] (medicine) a decrease in size of an organ caused by disease or disuse
2
[ verb ] (medicine) undergo atrophy

Examples

"Muscles that are not used will atrophy"

3
[ noun ] any weakening or degeneration (especially through lack of use)

Synonyms

withering

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