The quality of requiring extended effort.

synonyms: laboriousness, toilsomeness.

Roget 686: exertion, effort, strain, tug, pull, stress, throw, stretch, struggle, spell, spurt, spirt^†; stroke of work, stitch of work.    a strong pull a long pull and a pull all a strong pull a long pull and a pull all together;" dead lift; heft; gymnastics; exercise, exercitation^†; wear and tear; ado; toil and trouble; uphill work, hard work, warm work; harvest time.    labor, work, toil, travail, manual labor, sweat of one's brow, swink^†, drudgery, slavery, fagging^†, hammering; limae labor [Lat.]; industry, industriousness, operoseness^†, operosity^†.    trouble, pains, duty; resolution etc. 604; energy etc. (physical) 171.    ... show more

Dutch: bewerkelijkheid
Polish: pracochłonność