Lewis & Short

sordĭdo, āre, v. a. [sordidus], to dirty, foul, defile, pollute (late Lat.).

  1. I. Lit.: terram moto pulvere, Sid. Carm. 23, 347.
  2. II. Trop.: templum cordis malis cogitationibus, Lact. de Ira Dei, 23, 28; 5, 19, 34; cf. Prisc. 800 P.