cleanse /klɛnz/verb 3noun 1forms 5 verb3 •To free from dirt; to clean, to purify.An artificial kidney these days still means a refrigerator-sized dialysis machine. Such devices mimic the way real kidneys cleanse blood and eject impurities and surplus water as urine. — 2013 •To spiritually purify; to free from guilt or sin; to purge. •To remove (something seen as unpleasant) from a person, place, or thing. noun1 •An act of cleansing; a purification.I regularly visit the spa for a massage and a facial cleanse. formscleansed · cleansing · cleanses · cleanseth · cleansest