Situated beyond, or on the farther side; thither; -- correlative with hither.
Further; remoter; more distant; succeeding; as, ulterior demands or propositions; ulterior views; what ulterior measures will be adopted is uncertain.
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"- Bertrand Russell