impurity
[noun]
Synonyms: contamination, defilement, dirtiness, infection, pollution, taint

[TahlilGaran] English Synonym Dictionary ▲

im‧pu‧ri‧ty /ɪmˈpjʊərəti, ɪmˈpjʊərɪti $ -ˈpjʊr-/ noun (plural impurities)
[Word Family: noun: purification, purist, purity ≠ impurity, purifier; verb: purify; adverb: purely; adjective: pure ≠ impure]

1. [countable usually plural] a substance of a low quality that is contained in or mixed with something else, making it less pure:
All natural minerals contain impurities.
Our oatmeal face mask absorbs impurities from your skin.

2. [uncountable] the state of being impure

[TahlilGaran] Dictionary of Contemporary English ▲