Ma'anar ƙamus na kalmar "ƙazanta" ita ce gurbata ko sanya wani abu marar tsarki, yawanci ta hanyar gabatar da abubuwa ko abubuwa masu cutarwa ko masu guba. Yana iya komawa ga kowace irin gurbacewar muhalli, kamar iska, ruwa, ko gurbacewar ƙasa, ko kuma ga ƙarin ra'ayoyi marasa fahimta kamar gurbatar harshe ko al'ada. Mahimmanci, ƙazanta yana nufin shigar da wani abu mai cutarwa ko wanda ba a so a cikin tsarin halitta ko na ɗan adam, wanda hakan zai haifar da lalacewa ko rushewa ga daidaito da lafiyar tsarin.
You pollute my home with his presence?