contaminating Antonyms

environmentally benign ecologically ecologically friendly ecofriendly environmentally friendly eco-friendly eco non-contagious nontransferable noninfectious nontransmissible noncommunicable nonpoisonous eco-responsible environmental ecologically sound non-transmittable non-catching incontractable uncontaminating energy-saving energy-efficient non-polluting uncontagious sanitization non-infectious environment-friendly environmentalist conservationist greening green germless filtering distilling disinfection disinfecting cleansing cleaning clean benign benevolent harmless incommunicable processing ecological ecologic ecologist ecology biodegradable sterilisation