1. wasting away or decreasing in size, strength, or function, especially of body tissue or muscle
Usage: present participle of atrophy; commonly used in medical and biological contexts
2. gradually losing strength, effectiveness, or importance due to disuse or neglect
Usage: figurative use

Examples

• Without exercise, his muscles began atrophying after weeks of bed rest.
• The patient's leg was atrophying due to lack of use following the injury.
• Her artistic skills were atrophying from years of not practicing.
• The small town's economy was atrophying as businesses relocated to the city.
• Astronauts' bones and muscles start atrophying in the weightless environment of space.
• His interest in the hobby was slowly atrophying over time.