Impure
Impure , adjective
[Latin impurus; pref. im- not + purus pure: compare French impur. See Pure.]
1.
Not pure; not clean; dirty; foul; filthy; containing something which is unclean or unwholesome; mixed or impregnated extraneous substances; adulterated; as, impure water or air; impure drugs, food, etc.
2.
Defiled by sin or guilt; unholy; unhallowed; -- said of persons or things.
3.
Unchaste; lewd; unclean; obscene; as, impure language or ideas.
Impure desires.
4.
(Scripture) Not purified according to the ceremonial law of Moses; unclean.
5.
(Language) Not accurate; not idiomatic; as, impure Latin; an impure style.
Impure , transitive verb
To defile; to pollute. [Obsolete] — Bp. Hall