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See more synonyms for vigorous on Thesaurus.com
  1. full of or characterized by vigor: a vigorous effort.
  2. strong; active; robust: a vigorous youngster.
  3. energetic; forceful: vigorous steps; a vigorous personality.
  4. powerful in action or effect: vigorous law enforcement.
  5. growing well, as a plant.
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Origin of vigorous

1300–50; Middle English < Old French < Medieval Latin vigorōsus. See vigor, -ous
Related formsvig·or·ous·ly, adverbvig·or·ous·ness, nouno·ver·vig·or·ous, adjectiveo·ver·vig·or·ous·ly, adverbo·ver·vig·or·ous·ness, nounsu·per·vig·or·ous, adjectivesu·per·vig·or·ous·ly, adverbsu·per·vig·or·ous·ness, nounun·vig·or·ous, adjectiveun·vig·or·ous·ly, adverbun·vig·or·ous·ness, noun


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Synonym study

2. See active.


1–5. weak.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for vigorous

Contemporary Examples

Historical Examples

  • So vigorous was her movement that Cassidy's clasp was thrown off the wrist.

    Within the Law

    Marvin Dana

  • After Aggie's vigorous comment there followed a long silence.

    Within the Law

    Marvin Dana

  • Yes; this is what the secrets of my art have done for me to preserve me fresh and vigorous as you see.

  • The wizened little headman was as cheerful and lively and vigorous as ever.

    The Leopard Woman

    Stewart Edward White

  • He is still young and vigorous, and has it yet in his power to accomplish much.

British Dictionary definitions for vigorous


  1. endowed with bodily or mental strength or vitality; robust
  2. displaying, involving, characterized by, or performed with vigourvigorous growth
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Derived Formsvigorously, adverbvigorousness, noun
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 vigorous


c.1300 (early 13c. as a surname), from Anglo-French vigrus, Old French vigorosus, from Latin vigere "be lively, flourish, thrive" (see vigor). Related: Vigorously.

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Online Etymology Dictionary, © 2010 Douglas Harper