Skip to definition.  Noun: atrophy  at-ru-fee   1. A decrease in
size of an organ caused by disease or disuse     - wasting,
wasting away   2. Any weakening or degeneration (especially
through lack of use)     - withering Verb: atrophy  at-ru-fee
1. Undergo atrophy     "Muscles that are not used will atrophy"
Derived forms: atrophied, atrophies, atrophying  Type of:
shrink, shrivel, shrivel up, symptom, weakening, wither
Encyclopedia: Atrophy