1. lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed)

- looked too closely for an ulterior purpose in all knowledge

Similar word(s): covert, subterranean, subterraneous

2. beyond or outside an area of immediate interest; remote

- a suggestion ulterior to the present discussion

- without...any purpose, immediate or ulterior

Similar word(s): distant, remote

3. coming at a subsequent time or stage

- without ulterior argument

Similar word(s): subsequent, later, posterior

Sentences with ulterior as an adjective:

- an ulterior action