stren·​u·​ous | \ ˈstren-yə-wəs How to pronounce strenuous (audio) \

Definition of strenuous

1a : vigorously active : energetic
b : fervent, zealous his most strenuous supporters
2 : marked by or calling for energy or stamina : arduous a strenuous hike

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Other Words from strenuous

strenuosity \ ˌstren-​yə-​ˈwä-​sə-​tē How to pronounce strenuous (audio) \ noun
strenuously \ ˈstren-​yə-​wəs-​lē How to pronounce strenuous (audio) \ adverb
strenuousness noun

Choose the Right Synonym for strenuous

vigorous, energetic, strenuous, lusty, nervous mean having or showing great vitality and force. vigorous further implies showing no signs of depletion or diminishing of freshness or robustness. as vigorous as a youth half his age energetic suggests a capacity for intense activity. an energetic campaigner strenuous suggests a preference for coping with the arduous or the challenging. the strenuous life on an oil rig lusty implies exuberant energy and capacity for enjoyment. a lusty appetite for life nervous suggests especially the forcibleness and sustained effectiveness resulting from mental vigor. full of nervous energy

Examples of strenuous in a Sentence

Avoid all strenuous exercise until the sprain heals. Today has been a very strenuous day. The proposal has faced strenuous opposition.
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Recent Examples on the Web It can also be caused by stress, strenuous activity, or certain medications. Patti Greco,, 9 Sep. 2021 Meteorologists recommended that people more vulnerable to heat effects should consider limiting strenuous activity during the afternoon hours, as well as ensuring sufficient hydration and sun protection, according to the National Weather Service. Megan Cassidy, San Francisco Chronicle, 29 Aug. 2021 People should reschedule strenuous outdoor activity to early morning or evening. Christine Dempsey,, 26 Aug. 2021 Residents are also advised to avoid strenuous physical activity or unnecessary time outdoors. Hayley Smith, Los Angeles Times, 25 Aug. 2021 Avoid strenuous activity during the midday, and bring along extra hydration, even if just going about normal business. NBC News, 12 Aug. 2021 Avoid strenuous activity during the midday, and bring along extra hydration, even if just going about normal business. Jennifer Gray, CNN, 12 Aug. 2021 People should drink plenty of water and avoid strenuous activity, the release states, and those without air conditioning should open their windows and use a fan., 10 Aug. 2021 Those conditions demand that rescuers and visitors exercise caution and minimize strenuous activity when possible. Washington Post, 29 July 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'strenuous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of strenuous

1599, in the meaning defined at sense 1a

History and Etymology for strenuous

Latin strenuus

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Time Traveler for strenuous

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The first known use of strenuous was in 1599

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Last Updated

12 Sep 2021

Cite this Entry

“Strenuous.” Dictionary, Merriam-Webster, Accessed 22 Sep. 2021.

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More Definitions for strenuous



English Language Learners Definition of strenuous

: requiring or showing great energy and effort


stren·​u·​ous | \ ˈstren-yə-wəs How to pronounce strenuous (audio) \

Kids Definition of strenuous

1 : showing or requiring much energy and effort a strenuous climb
2 : very active : energetic He leads a strenuous life.

Other Words from strenuous

strenuously adverb

More from Merriam-Webster on strenuous

Nglish: Translation of strenuous for Spanish Speakers

Britannica English: Translation of strenuous for Arabic Speakers


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