wilt
Definitions
To become limp through heat, loss of water, or disease; to droop.
To lose energy, vigor, or confidence; to become faint or exhausted.
Examples
The flowers began to wilt under the intense heat of the afternoon sun.
Without regular watering, the potted plants will quickly wilt and die.
She watched the bouquet wilt in the vase, a sad reminder of the celebration that had passed.