being undiluted or unmixed with extraneous material

free of extraneous elements of any kind

the condition of being impure

worthless or dangerous material that should be removed

having a physical or moral blemish so as to make impure according to dietary or ceremonial laws

not altered from an original or natural state

being undiluted or unmixed with extraneous material

containing small amounts of other chemicals, hence slightly impure

mixed with impurities

(used of metals) debased by mixture with an inferior element

deriving from more than one source or style

rendered unwholesome by contaminants and pollution