v .
to wither away ; to decline from disuse 시들다 ; 사용하지 않아 쇠퇴하다

• The weightlifter's right arm was much thinner and less bulgy than his left ; it had atrophied severely during the six weeks it had been in a cast.
• The student's interest in algebra had atrophied to the point where they could scarcely keep their eyes open.
• 반의어는 hypertrophy
• Weightlifting makes a muscle grow, or experience hypertrophy.