/pes’im-l/ (Latin-based antonym for “optimal”) Maximally bad. “This is a pessimal situation.” Also “pessimise” To make as bad as possible. These words are the obvious Latin-based antonyms for “optimal” and “optimise”, but for some reason they do not appear in most English dictionaries, although “pessimise” is listed in the OED.
- Pessimising compiler
/pes’*-mi:z”ing k*m-pi:l”r/ (Antonym of “optimising compiler”) A compiler that produces object code that is worse than the straightforward or obvious hand translation. The implication is that the compiler is actually trying to optimise the program, but through excessive cleverness is doing the opposite. A few pessimizing compilers have been written on purpose, however, as pranks […]
[pes-uh-miz-uh m] /ˈpɛs əˌmɪz əm/ noun 1. the tendency to see, anticipate, or emphasize only bad or undesirable outcomes, results, conditions, problems, etc.: His pessimism about the future of our country depresses me. 2. the doctrine that the existing world is the worst of all possible worlds, or that all things naturally tend to evil. […]
[pes-uh-mist] /ˈpɛs ə mɪst/ noun 1. a person who habitually sees or anticipates the worst or is disposed to be gloomy. 2. an adherent of the doctrine of . n. 1820, “one who habitually expects the worst” (Knowles’ dictionary, 1835, defines it as “A universal complainer”), from 19c. French pessimiste (see pessimism).
[pes-uh-mis-tik] /ˌpɛs əˈmɪs tɪk/ adjective 1. pertaining to or characterized by or the tendency to expect only bad outcomes; gloomy; joyless; unhopeful: His pessimistic outlook kept him from applying for jobs for which he was perfectly qualified. adj. 1866, from pessimist + -ic.