萎(な)えるto lose strength, to become weak, to disappear (of energy, drive, etc.), to wither, to droop, to wilt, to feel demotivated, to lose interest, to become disappointed

Common

1. る-verb, Intransitive verb

   1. 1.

      to lose strength, to become weak, to disappear (of energy, drive, etc.)

   2. 2.

      to wither, to droop, to wilt

   3. 3.

      to feel demotivated, to lose interest, to become disappointed

      Colloquial