Im*pure" (?), a. [L. impurus; pref. im- not + purus pure: cf. F. 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."
Cowper.
4. Script.
Not purified according to the ceremonial law of Moses; unclean.
5. Language
Not accurate; not idiomatic; as, impure Latin; an impure style.
© Webster 1913.
Im*pure", v. t.
To defile; to pollute.
[Obs.]
Bp. Hall.
© Webster 1913.