Definition of strenuous in English:

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Pronunciation: /ˈstrenyo͞oəs/


Requiring or using great exertion: all your muscles need more oxygen during strenuous exercise
More example sentences
  • He will make strenuous efforts to make sure that no criminal act on the inside, or the outside, can be traced back to him.
  • To mitigate this perception, strenuous efforts are being made to engage local people.
  • It is also making strenuous efforts to recruit new staff and train unqualified employees.
arduous, difficult, hard, tough, taxing, demanding, exacting, exhausting, tiring, grueling, back-breaking
informal killing
archaic toilsome
vigorous, energetic, zealous, forceful, strong, spirited, intense, determined, resolute, tenacious, tireless, indefatigable, dogged
formal pertinacious



Pronunciation: /ˈstrenyo͞oəsnəs/
Example sentences
  • His preferred terms of admiration reflect the Victorian preoccupation with ‘character’, inflected perhaps by his endorsement of strenuousness as the essential ingredient of moral heroism.
  • It is also important to repeatedly remind participants to watch for overheating during the cardiovascular segment of the class - the water's coolness keeps the heart rate lower and can mask the strenuousness of the exercise.
  • Although secretly piqued by Jake's comments and judgment, Luke decided that the current situation didn't need extra strenuousness.


Early 17th century: from Latin strenuus 'brisk' + -ous.

Words that rhyme with strenuous

ingenuous, tenuous

For editors and proofreaders

Syllabification: stren·u·ous

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