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See also Wiktionary:Neologisms


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From French néologisme, from Ancient Greek νέος (néos, new) + λόγος (lógos, word).


  • IPA(key): /niːˈɒlədʒɪzəm/


neologism (countable and uncountable, plural neologisms)

  1. (linguistics, lexicography, countable) A word or phrase which has recently been coined; a new word or phrase.
    Synonym: coinage
  2. (linguistics, uncountable) The act or instance of coining, or uttering a new word.
  3. (psychiatry) The newly coined, meaningless words or phrases of someone with a psychosis, usually schizophrenia.
  4. The introduction of new doctrine, for example in theology.

Usage notes[edit]

For a word to be no longer considered new, it needs to be understood by a significant portion of the population as having always been a valid word. For that to occur the word must have been in common use for approximately one generation — fifteen to twenty years — but there is no universally accepted measure. Also note that although some neologisms may be in prevalent use, others have only a few usages. Neologisms however always have more prevalent usage than protologisms.


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See also[edit]


  • The Oxford Dictionary of American Usage and Style. Bryan A. Garner. Oxford University Press, 2000. Oxford Reference Online. Oxford University Press. 21 June 2006
  • The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.