Main Entry: uni·lat·er·al·ism

Pronunciation: \ˌyü-ni-ˈla-t(ə-)rə-ˌli-zəm\

Function: noun

Date: 1926

: a policy of taking unilateral action (as in international affairs) regardless of outside support or reciprocity; also : advocacy of such a policy

— uni·lat·er·al·ist \-list\ noun or adjective