0 the quality of being energetic and in good health, especially when you are old:
Her inexhaustible sprightliness is still there.
I was envious of his sprightliness and of the astonishing range of his activities.
This diet could explain the longevity and sprightliness of the islanders.
The word but says quite clearly that sprightliness is not considered a default quality of the elderly.
Camilla is his favourite niece, her sprightliness and lively sweetness endearing her to him.
To these compositions is required neither genius nor knowledge, neither industry nor sprightliness, but contempt of shame and indifference to truth are absolutely necessary.
The discomforts of primitive traveling are described with much sprightliness and not a little humor.