languish

verb6

1. •
   To live in miserable or disheartening conditions.

   • He languished in prison for years.
2. •
   To be neglected; to make little progress, be unsuccessful.

   • The case languished for years before coming to trial.
3. •
   To lose strength and become weak; to be in a state of weakness or sickness.

   • We […] do languish of such diseases. — 1611
4. •
   To pine away in longing for something; to have low spirits, especially from lovesickness.

   • He languished without his girlfriend.
5. •
   (no longer used) To make weak; to weaken, devastate.
6. •
   (no longer used) To affect a languid air, especially disingenuously.

   • His bowstring slackened, languid Love, / Leaning his cheek upon his hand, / Droops both his wings, regarding thee, / And so would languish evermore, / Serene, imperial Eleänore. — 1833