Lebenskraft, Lebendigkeit.
ETYM Old Eng. vigour, vigor, Old Fren. vigor, vigur, vigour, French vigueur, from Latin vigor, from vigere to be lively or strong. Related to Vegetable, Vigil.
(Alternate spelling: vigour).
Active strength of body or mind; SYN. vigour.
Alternate (chiefly British) spelling for vigor.
ETYM Latin vitalitas: cf. French vitalité.
An energetic style; SYN. verve.