Vigour

Alternative spellings

 * (US) vigor

Etymology
From, from vigour:, from  vigor: (vigur, vigour), from  vigor:, from vigeo:.

Noun

 * 1) Active strength or force of body or mind; capacity for exertion, physically, intellectually, or morally; force; energy.
 * 2) Strength or force in animal or force in animal or vegetable nature or action;
 * 3) Strength; efficacy; potency.

Usage notes
Vigor and its derivatives commonly imply active strength, or the power of action and exertion, in distinction from passive strength, or strength to endure.

Derived terms

 * envigorate
 * vigorous