thésaurus

Definitions of thésaurus
  1. noun
    a language user's knowledge of words
    synonyms: vocabulaire
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    type of:
    connaissance, savoir
    the psychological result of perception and learning and reasoning
  2. noun
    a book containing a classified list of synonyms
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    type of:
    lexique, vocabulaire
    a reference book containing words (usually with their meanings)
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