Spry (adjective)

1. Lively and active, especially for one's age.
2. Agile, quick and energetic.

Origin:

From middle english spry, from old english spryngan ("to leap, jump"), from proto-germanic *springanan ("to leap, jump"), from proto-indo-european *sper- ("to jump, leap").

Examples:

1. Despite his age, he was still spry and able to climb stairs.
2. She was spry and full of energy, always on the go.
3. The spry old man could still outrun most of the young people.
4. He was spry and agile, able to move quickly and easily.
5. The spry young man easily vaulted over the wall.