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late 14c., "false or spurious thing;" see pseudo-. As an adjective in this sense from mid-15c. In modern use, of persons, "pretentious, insincere," from 1945; as a noun from 1959. Related: Pseudish.
often before vowels pseud-, word-forming element meaning "false; feigned; erroneous; in appearance only; resembling," from Greek pseudo-, comb. form of pseudes "false, lying; falsely; deceived," or pseudos "falsehood, untruth, a lie," both from pseudein "to deceive, cheat by lies."
Productive in compound formation in ancient Greek (e.g. pseudodidaskalos "false teacher," pseudokyon "a sham cynic," pseudologia "a false speech," pseudoparthenos "pretended virgin"), it began to be used with native words in Middle English.
pseudo- or pseud-
False; deceptive; sham: pseudohematuria.
Apparently similar: pseudomyxoma.
False; bogus, sham: offering pseudo interest in her
/soo'doh/ (Usenet) Pseudonym.
1. An electronic-mail or Usenet persona adopted by a human for amusement value or as a means of avoiding negative repercussions of one's net.behaviour; a "nom de Usenet", often associated with forged postings designed to conceal message origins. Perhaps the best-known and funniest hoax of this type is BIFF.
2. Notionally, a flamage-generating AI program simulating a Usenet user. Many flamers have been accused of actually being such entities, despite the fact that no AI program of the required sophistication yet exists. However, in 1989 there was a famous series of forged postings that used a phrase-frequency-based travesty generator to simulate the styles of several well-known flamers; it was based on large samples of their back postings (compare Dissociated Press). A significant number of people were fooled by the forgeries, and the debate over their authenticity was settled only when the perpetrator came forward to publicly admit the hoax.