English → Latin
“laborious” in Latin
labōriōsuslaborious, toilsome, demanding; industrious, hard-workingoperōsuspainstaking; active, busy, industrious; laboriousmagnusgreat, large, big; (of things) vast, extensive, spacious (of physical size or quantity); great, grand, mighty, noble, lomultusmuch; manyopuswork, labor, accomplishment; workmanship, artwork, work (of art, literature, etc.); need, necessity
The English word laborious itself goes back to Latin labor, through laboriosus.
Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864
laborious
Using labor, laboriosus (Cic., Nep.).
Requiring labor, laboriosus, operosus, laboris plenus (full of labor): magni, or multi, operis (that calls for much labor): very laborious, immensi laboris, operis: a laborious work, opus operosum; opus et labor (concrete); labor operosus (abstract; exertion with labor).
Quick answer
- What is the Latin word for laborious?
- The usual Latin words for “laborious” are labōriōsus, operōsus, magnus; also multus, opus. The right choice depends on the sense; see the distinctions below.
Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.