1 adjective ECOL without pollutionneamhthruaillithe adj3 c m ugan truailliúglan adj1 c m uan unpolluted environmenttimpeallacht neamhthruaillitheunpolluted airaer glanunpolluted wateruisce gan truailliú2 adjective pure, untaintedneamhthruaillithe adj3 c m ugan truailliúgan smál c m u