Impure \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.
Source: Webster's Revised Unabridged Dictionary (1913)
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