1 active physical strength or energy.
2 a flourishing physical condition.
3 healthy growth; vitality; vital force.
4 a mental strength or activity shown in thought or speech or in literary style. b forcefulness; trenchancy, animation.
Derivatives:
vigourless adj.
Etymology: ME f. OF vigour f. L vigor -oris f. vigere be lively
Useful english dictionary. 2012.