palsy
Definitions
A condition characterized by uncontrollable tremors or shaking of the body or one or more body parts.
Paralysis, especially that which is accompanied by involuntary tremors.
A state of helplessness or inability to act.
Examples
The elderly man moved slowly across the room, his gait affected by a mild case of cerebral palsy.
The sudden palsy in his hand made it difficult for him to hold the pen and sign the document.