polluted(defiled) adjective [UK: pə.ˈluː.tɪd] [US: pə.ˈluː.təd]The air in this city is very polluted. = Luften i staden är mycket förorenad.
förorena [~de ~t] verb
taint [tainted, tainting, taints](To contaminate or corrupt something with an external agent, either physically or morally) verb [UK: teɪnt] [US: ˈteɪnt]