Languish (verb)

1. To lose or lack vitality, strength, or energy.
2. To suffer neglect or suffer from a lack of attention or interest.
3. To be in a state of inactivity or stagnation.

Origin:

Late middle english: from old french languiss-, lengir "grow weak", from latin languere "be weak, faint".

Examples:

1. The flowers in the garden were languishing without enough water.
2. She was languishing in prison for a crime she didn't commit.
3. The project languished for months due to lack of funding.
4. The company's stock price has been languishing in recent years.
5. The patient's condition has been languishing despite medical treatment.