What is the Latin word for toilsome?

The usual Latin words for “toilsome” are labōriōsus, operōsus, arduus; also difficilis. The right choice depends on the sense; see the distinctions below.

English → Latin

“toilsome” in Latin

labōriōsuslaborious, toilsome, demanding; industrious, hard-working operōsuspainstaking; active, busy, industrious; laborious arduuslofty, high, steep, tall, elevated; hard to reach, difficult, laborious, arduous difficilisdifficult, hard, troublesome; obstinate, intractable, hard to please or manage

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

toilsome

laboriosus (the proper word): operosus (costing much pains): arduus: difficilis (difficult).

Quick answer

What is the Latin word for toilsome?: The usual Latin words for “toilsome” are labōriōsus, operōsus, arduus; also difficilis. 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.