замолчать
conticзre [e]o, ui,
недруг
inimicus [i, m];
неучтивость
inhumanitas [atis, f];
acer, acris, acre (aper; leo); acerbus [a, um] (Libitina); atrox, cis (responsum); truculentus [a, um] (voces); trux, cis (vultus; facies); malignus [a, um] ; malitiosus [a, um] ; invidus [a, um] ;