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vigorous

[vig-er-uh s]
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adjective
  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.

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

Synonyms

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2. sturdy, sound, healthy. 3. powerful.

Synonym study

2. See active.

Antonyms

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

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British Dictionary definitions for vigorously

vigorous

adjective
  1. endowed with bodily or mental strength or vitality; robust
  2. displaying, involving, characterized by, or performed with vigourvigorous growth
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 vigorously

vigorous

adj.

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.

Online Etymology Dictionary, © 2010 Douglas Harper