strenuousness
stren-u-ous-ness
noun
The quality or state of requiring great effort, energy, or determination.
"The strenuousness of the task surprised everyone."
Thesaurus
Synonyms: arduousness
stren-u-ous-ness
The quality or state of requiring great effort, energy, or determination.
"The strenuousness of the task surprised everyone."
Synonyms: arduousness