immoral; combined with something else
not clean mentally, physically; mixed
Cases of word usage
1) a non-metallic element (symbol C) that occurs in all living matter, in its pure form as diamonds and graphite and in an impure form as coal and charcoal (carbon)
2) to make (something) dirty, impure or diseased (by touching or adding something impure) (contaminate)
3) to make (a region, water; a person's thoughts etc) dirty or impure (defile)
4) to make (air, rivers etc) dirty, impure (pollute)