ˈleɪtə ˈleɪtɚ pɒˈstɪə.ɹi.ə poʊˈstɪɹ.i.ɚ ˌsʌbtəˈɹeɪniən ʌlˈtɪə.ɹɪə ʌlˈtɪɚ.i.ɚ coming at a subsequent time or stage without ulterior argument the mood posterior to beyond or outside an area of immediate interest; remote a suggestion ulterior to the present discussion without … any purpose, immediate or ulterior lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed) subterranean motives for murder looked too closely for an ulterior purpose in all knowledge