• synonyms


  1. active strength or force.
  2. healthy physical or mental energy or power; vitality.
  3. energetic activity; energy; intensity: The economic recovery has given the country a new vigor.
  4. force of healthy growth in any living matter or organism, as a plant.
  5. active or effective force, especially legal validity.
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Also especially British, vig·our.

Origin of vigor

1300–50; Middle English vigo(u)r < Anglo-French; Middle French vigeur < Latin vigor force, energy, equivalent to vig(ēre) to be vigorous, thrive + -or -or1
Related formsvig·or·less, adjective

Synonyms for vigor

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for vigour

Contemporary Examples of vigour

Historical Examples of vigour

British Dictionary definitions for vigour


US vigor

  1. exuberant and resilient strength of body or mind; vitality
  2. substantial effective energy or forcethe vigour of the tempest
  3. forcefulness; intensitythe vigour of her complaints
  4. the capacity for survival or strong healthy growth in a plant or animalhybrid vigour
  5. the most active period or stage of life, manhood, etc; prime
  6. mainly US legal force or effectiveness; validity (esp in the phrase in vigour)
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Word Origin for vigour

C14: from Old French vigeur, from Latin vigor activity, from vigēre to be lively
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for vigour


chiefly British English spelling of vigor (q.v.); for spelling, see -or.

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c.1300, from Anglo-French vigour, Old French vigor, from Latin vigorem (nominative vigor) "liveliness, activity, force," from vigere "be lively, flourish, thrive," from PIE *wog-/*weg- "be lively or active" (see vigil).

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Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with vigour


see vim and vigor.

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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.