Im-pūre′1, a.
a. [Lat. impūrus; prefix im, for ĭn, not, and pūrus, pure; It. & Sp. impuro, Fr. impur.]
Sense 1. Mixed or impregnated with extraneous substances; not pure; foul; feculent; tinctured; as, impure water or air; impure salt or magnesia.
Sense 2. Defiled by sin or guilt; unholy; — said of persons.
Sense 3. Unhallowed; unholy; — said of things.
Sense 4. Unchaste; lewd; unclean; as, impure actions.
Sense 5. Obscene; as, impure language or ideas.
Sense 6. (Old Test.) Not purified according to the ceremonial law of Moses; unclean.