ngusu' noun English. Who one perceives as a serious or even mortal enemy. Example sentence: Subanen. Paa, nemun lai gempait gupiai kebetang nami dinig buid, pu' dibaluy bug dibaluy, lumbus na ngusu' nami. English. Man our situation now here in the interior is a bitter one, because those on both sides of us are our enemies. Synonym. kuntra