# Active [[strength]] or [[force]] of [[body]] or [[mind]]; capacity for [[exertion]], physically, intellectually, or morally; force; [[energy]]. As in [[persistence]] and good [[motivation]]
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===Alternativespellings===
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# Strength or force in [[animal]] or force in animal[[nature]] or [[action]];
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* ''(US)'' [[vigor]]
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===Noun===
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{{en-noun|s|-}}
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# Active [[strength]] or [[force]] of [[body]] or [[mind]]; capacity for [[exertion]], physically, intellectually, or morally; force; [[energy]].
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# Strength or force in [[animal]] or force in animal or vegetable [[nature]] or [[action]];
# Strength; [[efficacy]]; [[potency]].
# Strength; [[efficacy]]; [[potency]].
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# In biology it is the capacity for survival or strong healthy growth in an animal, hybrid vigour
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# The most active period or stage of life, manhood, etc.; prime
Vigor and its derivatives commonly imply active strength, or the power of action and exertion, in distinction from passive strength, or strength to endure.