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

[ Syn: subterranean , subterraneous ]

beyond or outside an area of immediate interest; remote; a suggestion ulterior to the present discussion; without...any purpose, immediate or ulterior- G.B.Shaw

coming at a subsequent time or stage; without ulterior argument; the mood posterior to

[ Syn: later , posterior ]