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Definition of vigor


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vig·or  audio  (vgr) KEY  

NOUN:
  1. Physical or mental strength, energy, or force.
  2. The capacity for natural growth and survival, as of plants or animals.
  3. Strong feeling; enthusiasm or intensity.
  4. Legal effectiveness or validity.

ETYMOLOGY:
Middle English, from Old French, from Latin, from vigre, to be lively; see weg- in Indo-European roots

SYNONYMS:
vigor , dash 1 , punch 2 , verve , vim , vitality

These nouns denote a quality of spirited force or energy: intellectual vigor; played the piano with dash; an editorial with real punch; painted with verve; arguing with his usual vim; a decreased mental vitality.


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The American Heritage® Dictionary of the English Language, Fourth Edition.
Copyright © 2000 by Houghton Mifflin Company.
Published by the Houghton Mifflin Company. All rights reserved.
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