- requiring much work, exertion, or perseverance: a laborious undertaking.
- characterized by or requiring extreme care and much attention to detail: laborious research.
- characterized by or exhibiting excessive effort, dullness, and lack of spontaneity; labored: a strained, laborious plot.
- given to or diligent in work: a careful, laborious craftsman.
Origin of laborious
SynonymsSee more synonyms for laborious on Thesaurus.com
Examples from the Web for laboriousness
The chief characteristic is the minute laboriousness of the execution.Across the Equator
Thomas H. Reid
And it is just in those areas that one may see at their best the grit, laboriousness, and enterprise of the Moplah.Castes and Tribes of Southern India
There, in fine, is the place where real lassitude must be undergone by the body in laboriousness.
He says that the laboriousness of Stevenson and Flaubert has 'gone out' and the public are bored by it.The Secret Life
Gas will be made on a larger scale, with less dirt and nuisance, and without that laboriousness now made necessary.
- involving great exertion or long effort
- given to working hard
- (of literary style, etc) not fluent
Word Origin and History for laboriousness
late 14c., "hard-working, industrious," from Old French laborios "arduous, wearisome; hard-working" (12c., Modern French laborieux), from Latin laboriosus "toilsome, wearisome, troublesome," from labor (see labor (n.)). Meaning "costing much labor, burdensome" is from early 15c.; meaning "resulting from hard work" is mid-15c. Related: Laboriousness.