1. the gradual decline or wasting away of something, especially body tissue or an organ due to lack of use or disease
Usage: medical
2. the gradual decline or loss of effectiveness of something

1. to gradually waste away or become weaker

Examples

• Muscle atrophy occurs when muscles are not used regularly.
• The patient’s leg showed signs of atrophy after months in a cast.
• Without practice, his piano skills began to atrophy.
• The company suffered from organizational atrophy due to poor management.
• Her unused arm muscles started to atrophy.
• The town’s economy continued to atrophy as businesses closed.
• Brain atrophy can result from certain neurological conditions.