gainful
UK: ˈɡeɪn.fəl | US: ˈɡeɪn.fəl
adj. providing gain or profit; lucrative
adj. (archaic) advantageous or beneficial
The word "gainful" combines "gain," derived from Old Norse gnog (meaning "abundance" or "profit"), with the suffix "-ful," from Old English -full (meaning "full of"). Originally, "gain" entered Middle English via Old French gaaigne (referring to profit from labor or land). Over time, "gainful" evolved to describe anything yielding tangible benefit or financial reward, reflecting its roots in economic and practical advantage.
She sought a gainful employment opportunity after graduating.
Freelancing can be gainful if you manage your time well.
The contract offered gainful terms for both parties.
His gainful investments allowed him to retire early.
(Archaic) The knight’s gainful alliance strengthened the kingdom.