What is the Latin word for gainful?

The usual Latin words for “gainful” are lucrōsus, quaestuōsus, frūctuōsus; also mercor, ōrātiō. The right choice depends on the sense; see the distinctions below.

English → Latin

“gainful” in Latin

lucrōsuslucrative, advantageous quaestuōsusgainful, profitable, advantageous, lucrative, productive frūctuōsusfruitful, productive; profitable, advantageous mercorto trade, deal, sell ōrātiōspeech, discourse, language; the power of speech; manner or style of speaking

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

gainful

lucrosus (general term for advantageous, etc.): quaestuosus: quod quaestui est (of what brings mercantile profit; e.g., mercatura): fructuosus (fruitful; rewarding our pains with something that is or may be considered as the produce of it; e.g., oratio, ☞ Cic., Tusc., 5, 13, in.).

Quick answer

What is the Latin word for gainful?: The usual Latin words for “gainful” are lucrōsus, quaestuōsus, frūctuōsus; also mercor, ōrātiō. 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.