- im·pu·ri·ty
- /ımˈpjurəti/ noun, pl -ties1 [noncount] : the quality or state of being impure
the impurity of the water
moral impurity
2 [count] : an unwanted substance that is found in something else and that prevents it from being pureThe syrup is strained to remove impurities.
The water is free of impurities.
Useful english dictionary. 2012.