Having the effect of counteracting; opposing or neutralizing something.

प्रतिकारी

English Usage: The new policy had a counteractive approach towards environmental degradation.

Hindi Usage: नई नीति के पास पर्यावरणीय क्षति के प्रति एक प्रतिकारी दृष्टिकोण था।

An action or thing that counteracts something else.

प्रतिकार

English Usage: The counteractive measures taken by the government were effective.

Hindi Usage: सरकार द्वारा उठाए गए प्रतिकारक कदम प्रभावी थे।