befoul Copy link Outline 1. inquĭno, 12. foedo, 13. concăco, 1 (to b. with ordure) • befoul: 1. inquĭno, 1: to be b.'d with ordure, merdis inquinari, Hor.: Pl. 2. foedo, 1: the harpies b. everything, Harpyiae omnia f., Virg.: v. to pollute, defile. 3. concăco, 1 (to b. with ordure): Phaedr.: Sen.