WordWeb Online

1. Combined with extraneous elements
    
2. (used of persons or behaviors) immoral or obscene
   "impure thoughts"
    
3. Having a physical or moral blemish so as to make impure according to dietary or ceremonial laws
   "impure meat"
   - unclean

Derived forms: impurer, impurest

See also: adulterate, adulterated, alloyed, bastardised [Brit], bastardized, contaminated, debased, defiled, dingy, dirty, impureness, impurity, maculate, morality, muddied, muddy, nonkosher, polluted, pureness, purity, technical grade, technical-grade, terefah, tref, unchaste, unprocessed, unpurified, untouchable

Antonym: pure

Encyclopedia: Impure