neoconservativene‧o‧con‧serv‧a‧tive /ˌniːəʊkənˈsɜːvətɪv $ ˌniːoʊkənˈsɜːr-/ (also ne‧o‧con) /ˈniːəʊkɒn $ -oʊkɑːn/ noun [countable]a member of a right-wing movement that has developed in the US since the 1960s and believes that the US should protect its national interests by using its power to influence other countries—neoconservative adjective