One entry found for
strenuous.
Main Entry:
stren·u·ous 
Pronunciation:
stren-y
-w
s
Function:
adjective
1 a : very active
: ENERGETIC <leads a
strenuous life>
b : FERVENT, ZEALOUS <
strenuous protest>
2 : showing or requiring great energy <
strenuous tasks>
synonym see
VIGOROUS -
stren·u·ous·ly adverb