EN impure
volume_up
{adjective}

impure (also: patchy, spotty, variegated)
volume_up
неоднородный [неодноро́дный] {adj. m}
impure (also: clouded, dark, muddy, unclean)
volume_up
нечистый [нечи́стый] {adj. m}
impure (also: dirty, filthy, foul, frowzy)
volume_up
грязный [гря́зный] {adj. m}
impure (also: crude, unrefined)

Synonyms (English) for "impure":

impure
English
pure