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vigor

[vig-er]
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noun
  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

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2. drive, force, strength.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Word Origin and History for vigor

n.

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 vigor

vigor

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.