The definition of strenuous is something that takes a lot of effort, work or energy to do.
An example of strenuous is hiking to the top of Mount Everest.
- requiring or characterized by great effort or energy: a strenuous game of handball
- vigorous, arduous, zealous, etc.: strenuous efforts
Origin of strenuousClassical Latin strenuus, vigorous, active from Indo-European base an unverified form (s)ter-, rigid from source stare, Classical Greek str?n?s, strong
- Requiring great effort, energy, or exertion: a strenuous task.
- Vigorously active; energetic or zealous: strenuous efforts.
Origin of strenuousFrom Latin strēnuus
(comparative more strenuous, superlative most strenuous)
From Latin strenuus (“quick").