ulter-, 词源同ultra-,那边的，-or, 比较级后缀，词源同interior. 引申词义隐秘的。
- ulterior:  Ulterior goes back to an unrecorded Latin *ulter ‘distant’ (a relative of ultrā ‘beyond’, source of the English prefix ultra-). Its comparative form was ulterior, which meant literally ‘more distant’. Its superlative form was ultimus, which lies behind English ultimate  and ultimatum  (etymologically the ‘farthest’ or last point).
=> ultimate, ultimatum
- ulterior (adj.)
- 1640s, "on the other side of," from Latin ulterior "more distant, more remote, farther, on the farther side," comparative of *ulter "beyond" (see ultra-). The sense "not at present in view or consideration" (as in ulterior motives) is attested from 1735.
- 1. Sheila had an ulterior motive for trying to help Stan.
- 2. She must have some ulterior motive for being nice to me—what does she really want?
- 3. She definitely had an ulterior motive in offering to help.
- 4. I want to know what is our ulterior action.
- 5. I suspect he may have had ulterior motives for being so generous.
[ ulterior 造句 ]