adj.
Pronunciation: ' stren-y ə -w ə s
Function: 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 \ ˌ stren-y ə - ' wä-s ə -t ē \ noun
– stren · u · ous · ly \ ' stren-y ə -w ə s-l ē \ adverb
– stren · u · ous · ness noun