turpitude Look up turpitude at Dictionary.com
"depravity, infamy," 1490, from M.Fr. turpitude (1417), from L. turpitudinem (nom. turpitudo) "baseness," from turpis "vile, ugly, base, shameful," used in both the moral and the physical senses; of unknown origin. Perhaps originally "what one turns away from" (cf. L. trepit "he turns").