1. (adj)subterranean, subterraneous, 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"- Bertrand Russell
2. (adj)ulterior 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
3. (adj)later(a), ulterior, posterior coming at a subsequent time or stage
"without ulterior argument"; "the mood posterior to"
Definition of 'ulterior'
