1. worthless or dangerous material that should be removed

- there were impurities in the water

Similar word(s): dross

Definition categories: substance, waste

2. the condition of being impure

Similar word(s): impureness

Definition categories: state, condition, status

Sentences with impurity as a noun:

- Even animals in the Jewish system cause impurity only when they are dead.

- With his cheating, lying and stealing, he epitomised the impurity of humanity.