doddery
/ˈdɒdəri/Definitions
1. adjective
tending to wander or totter; shaky or unsteady, especially from age or infirmity.
“The old man’s doddery walk down the stairs was a concern for his family.”
2. noun
a person, especially an elderly one, who is shaky or unsteady in their movements.
“The doctor examined the doddery patient to determine the cause of their unsteadiness.”