【法】 隐秘不明的动机

Ulterior \Ul*te"ri*or\, a. [L., comp. of ultra, ultro, beyond,
on the other side, properly cases of an old adjective, formed
with a comparative suffix, which is akin to OL. uls beyond,
L. olim formerly, hereafter, orig., at that time, ille that,
OL. olle, ollus. Cf. {Outrage}.]
1. Situated beyond, or on the farther side; thither; --
correlative with hither.

2. Further; remoter; more distant; succeeding; as, ulterior
demands or propositions; ulterior views; what ulterior
measures will be adopted is uncertain.

{Ulterior motive}, {Ulterior object} or {Ulterior aim}, a
motive, object or aim beyond that which is avowed.