pə̇ˈkyünēˌerē, pēˈk-, -ri also -nyər- adjective
Etymology: Latin pecuniarius, from pecunia money + -arius -ary — more at fee
1. : taking the form of or consisting of money
the chief … entitled to certain regular gifts, pecuniary or in kind — Notes & Queries on Anthropology
a system of pecuniary mulcts — J.M.Kemble
2. : of or relating to money : monetary
pecuniary gain
pecuniary needs
the pecuniary aims and class animosities of capitalist production — Lewis Mumford
the medieval cathedrals were not built with any pecuniary motive — Bertrand Russell