transcription, транскрипция: [ ˈstren-yə-wəs ]
adjective
Etymology: Latin strenuus
Date: 1599
1.
a. : vigorously active : energetic
b. : fervent , zealous
the proposal's most strenuous supporters
2. : marked by or calling for energy or stamina : arduous
a strenuous hike
Synonyms: see vigorous
• stren·u·os·i·ty ˌstren-yə-ˈwä-sə-tē noun
• stren·u·ous·ly ˈstren-yə-wəs-lē adverb
• stren·u·ous·ness noun