verb (used with object), one-upped, one-upping.
to get the better of; succeed in being a point, move, step, etc., ahead of (someone):
They one-upped the competition.
(informal) having or having scored an advantage or lead over someone or something
To get the advantage over: I wasn’t trying to one-up Arthur Schwartz
[wuhn-uhp-muh n-ship] /ˈwʌnˈʌp mənˌʃɪp/ noun 1. the art or practice of achieving, demonstrating, or assuming superiority in one’s rivalry with a friend or opponent by obtaining privilege, status, status symbols, etc.: the one-upmanship of getting into the president’s car pool. /wʌnˈʌpmənʃɪp/ noun 1. (informal) the art or practice of achieving or maintaining an advantage over […]
[wuhn-wey] /ˈwʌnˈweɪ/ adjective 1. moving, or allowing movement in one direction only: a one-way street. 2. valid for travel in one direction only: a one-way ticket. Compare . 3. without a reciprocal feeling, responsibility, relationship, etc.: It’s a one-way friendship. 4. not intended for return to a seller, dealer, etc., for reuse; disposable: one-way bottles. […]
- One-way function
cryptography, mathematics A function which is easy to compute but whose inverse is very difficult to compute. Such functions have important applications in cryptography, specifically in public-key cryptography. See also: trapdoor function. (2001-05-10)
- One-way hash function
algorithm (Or “message digest function”) A one-way function which takes a variable-length message and produces a fixed-length hash. Given the hash it is computationally infeasible to find a message with that hash; in fact one can’t determine any usable information about a message with that hash, not even a single bit. For some one-way hash […]