English

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Etymology

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From non- +‎ sentence.

Noun

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nonsentence (plural nonsentences)

  1. (grammar) An utterance that is not a sentence.
    • 1979, Steven Pinker, “Formal models of language learning”, in Language, Cognition, and Human Nature:
      Those strings in the language are called sentences; the strings not in the language are called nonsentences.
  NODES