Im*pure", v. t. To defile; to
pollute. [Obs.] Bp. Hall.
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.