[ stren-yoo-uhs ]
See synonyms for: strenuousstrenuouslystrenuousness on

  1. characterized by vigorous exertion, as action, efforts, life, etc.: a strenuous afternoon of hunting.

  2. demanding or requiring vigorous exertion; laborious: To think deeply is a strenuous task.

  1. vigorous, energetic, or zealously active: a strenuous person; a strenuous intellect.

Origin of strenuous

1590–1600; <Latin strēnuus;see -ous

synonym study For strenuous

3. See active.

Other words for strenuous

Opposites for strenuous

Other words from strenuous

  • stren·u·ous·ly, adverb
  • stren·u·ous·ness, stren·u·os·i·ty [stren-yoo-os-i-tee], /ˌstrɛn yuˈɒs ɪ ti/, noun
  • qua·si-stren·u·ous, adjective
  • qua·si-stren·u·ous·ly, adverb
  • su·per·stren·u·ous, adjective
  • su·per·stren·u·ous·ly, adverb
  • su·per·stren·u·ous·ness, noun
  • un·stren·u·ous, adjective
  • un·stren·u·ous·ly, adverb
  • un·stren·u·ous·ness, noun

Words Nearby strenuous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use strenuous in a sentence

British Dictionary definitions for strenuous


/ (ˈstrɛnjʊəs) /

  1. requiring or involving the use of great energy or effort

  2. characterized by great activity, effort, or endeavour

Origin of strenuous

C16: from Latin strēnuus brisk, vigorous

Derived forms of strenuous

  • strenuosity (ˌstrɛnjʊˈɒsɪtɪ) or strenuousness, noun
  • strenuously, adverb

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