to make pure; free from anything that debases, pollutes, adulterates, or contaminates

to purify metals.

to free from foreign, extraneous, or objectionable elements

to purify a language.

to free from guilt or evil.

to clear or purge (usually fol. by of or from ).

to make clean for ceremonial or ritual use.

to become pure.

verb

adulterate , corrupt , dirty , pollute

verb

absolve , aerate , aerify , atone , chasten , clarify , clean , cleanse , clear , decontaminate , deodorize , depurate , deterge , disinfect , edulcorate , elutriate , exculpate , exonerate , expiate , filter , fumigate , lustrate , oxygenate , purge , rarify , redeem , refine , remit , sanctify , sanitize , shrive , sublimate , wash , baptize , distill , expurgate , rarefy , sublime