Definition: having a physical or moral blemish so as to make impure according to dietary or ceremonial laws
Usage: unclean meat; and the swine...is unclean to you-Leviticus 11:3
Similar words: nonkosher, terefah, tref
Definition: not conforming to dietary laws
Similar words: untouchable
Definition: ( especially used in traditional Hindu belief of the lowest caste or castes) defiling
Synonyms: impure
Definition: (used of persons or behaviors) immoral or obscene
Usage: impure thoughts
Synonyms: impure
Definition: combined with extraneous elements
Similar words: technical grade, technical-grade
Definition: containing small amounts of other chemicals, hence slightly impure
Usage: technical-grade sulfuric acid
Similar words: adulterate, adulterated, debased
Definition: mixed with impurities
Similar words: alloyed
Definition: (used of metals) debased by mixture with an inferior element
Similar words: bastardised, bastardized
Definition: deriving from more than one source or style
Similar words: contaminated, polluted
Definition: rendered unwholesome by contaminants and pollution
Usage: had to boil the contaminated water; polluted lakes and streams
Similar words: muddied, muddy, dingy, dirty
Definition: (of color) discolored by impurities; not bright and clear
Usage: dirty is often used in combination; a dirty (or dingy) white; the muddied grey of the sea; muddy colors; dirty-green walls; dirty-blonde hair
Similar words: unpurified
Definition: not made pure