IMPU'RE, a. [L. impurus; in and purus, pure.]1. Not pure; foul; feculent; tinctured; mixed or impregnated with extraneous substance; as impure water or air; impure salt or magnesia.2. Obscene; as impure language or ideas.3. Unchaste; lewd; unclean; as impure actions.4. Defiled by sin or guilt; unholy; as persons.5. Unhallowed; unholy; as things.6. Unclean; in a legal sense; not purified according to the ceremonial law of Moses.
IMPU'RE, v.t. To render foul; to defile. [Not used.]