'Impure' definitions:

Definition of 'impure'

From: WordNet
adjective
Combined with extraneous elements [ant: pure]
adjective
(used of persons or behaviors) immoral or obscene; "impure thoughts" [ant: pure]
adjective
Having a physical or moral blemish so as to make impure according to dietary or ceremonial laws; "unclean meat"; "and the swine...is unclean to you"-Leviticus 11:3 [syn: unclean, impure] [ant: clean]

Definition of 'Impure'

From: GCIDE
  • Impure \Im*pure"\, a. [L. impurus; pref. im- not + purus pure: cf. F. impur. See Pure.] [1913 Webster]
  • 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. [1913 Webster]
  • 2. Defiled by sin or guilt; unholy; unhallowed; -- said of persons or things. [1913 Webster]
  • 3. Unchaste; lewd; unclean; obscene; as, impure language or ideas. "Impure desires." --Cowper. [1913 Webster]
  • 4. (Script.) Not purified according to the ceremonial law of Moses; unclean. [1913 Webster]
  • 5. (Language) Not accurate; not idiomatic; as, impure Latin; an impure style. [1913 Webster]

Definition of 'Impure'

From: GCIDE
  • Impure \Im*pure"\, v. t. To defile; to pollute. [Obs.] --Bp. Hall. [1913 Webster]

Synonyms of 'impure'

From: Moby Thesaurus