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 strenuosity (audio) \ noun
strenuously \ ˈstren-​yə-​wəs-​lē How to pronounce strenuously (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 The weather service urged residents to drink plenty of water, confine strenuous work or exercise to early morning or evening hours and wear lightweight clothing. City News Service, Los Angeles Times, "Los Angeles is in the grips of a heat wave this weekend," 11 July 2020 For the sheer pleasure and danger of it, let’s wind up this category with a few words on one of its most strenuous and bizarre practitioners: Henri Beyle, otherwise known as Stendhal. Tim Parks, The New York Review of Books, "The Novels of Tension Between Freedom and Disaster," 10 July 2020 For example, universities have established strenuous technology-control plans and cybersecurity safeguards to appropriately restrict access to such research. Mary Sue Coleman, Scientific American, "How Universities Can Keep Foreign Governments from Stealing Intellectual Capital," 1 July 2020 The National Weather Service recommends wearing lightweight and loose fitting clothing, rescheduling strenuous activities to early morning or evening and scheduling frequent rest breaks in shaded or air conditioned environments. Madeline Mitchell, The Enquirer, "Weather: Heat advisory in effect Thursday afternoon, forecasters say heat index could reach 103," 8 July 2020 Between strenuous runs on the slopes, though, guests are spoiled with luxe comforts, from the heated towels and robes to the hot chocolate and s’mores to the dedicated ski concierge who advises skiers on snow conditions. Alisha Prakash, Travel + Leisure, "25 Resorts in the U.S. That Are Perfect for Families," 8 July 2020 Avoid strenuous exercise outside (and indoors), if possible. Talis Shelbourne, Milwaukee Journal Sentinel, "This week will be in the 90s. Here are a few tips for staying safe and helping others through the heat wave.," 7 July 2020 The National Weather Service urges anyone who works outdoors to drink plenty of water and avoid as much strenuous activity as possible. Jay R. Jordan, Houston Chronicle, "Hot and humid: Houston braces for ‘dangerous’ heat wave," 1 July 2020 Heat cramps are also common in workers and laborers who sweat a lot during strenuous activity outside in the heat, per the National Institute of Occupational Health and Safety (NIOSH). Leah Groth,, "What Are Heat Cramps? Everything You Need to Know About Symptoms, Causes, and Treatments," 17 June 2020

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

Time Traveler

The first known use of strenuous was in 1599

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Statistics for strenuous

Last Updated

25 Jul 2020

Cite this Entry

“Strenuous.” Dictionary, Merriam-Webster, Accessed 4 Aug. 2020.

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More Definitions for strenuous


How to pronounce strenuous (audio)

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

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