When something is impure, it's not clean or pure. This might mean that the thing is contaminated with dirt, oil, or other substances.
The oil was so impure that it started to smoke immediately.
The water is not safe to drink because it's too impure.
adjective
having a physical or moral blemish so as to make impure according to dietary or ceremonial laws
Synonyms:
adjective
combined with extraneous elements
adjective
(used of persons or behaviors) immoral or obscene
1
This sharply contrasts the western view of dirt as impure and contaminated.
2
It's the impurities in the air and in the water.
3
Maybe the reaction mechanism is impure.
4
The soybean absorbs the impurities in the salt.
5
The water was said to be unsavoury and impure.
6
These are the diabolical crimes of sexual impurity.
7
This component consists of the impurity materials.
8
At this point, the impure men resist and fight.
9
In the adsorber, the impurity in the gaseous substance is adsorbed.
10
Pure chromium is the distinct impurity of rubies.