thesaurus

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For the Wiktionary thesaurus, see Wiktionary:Wikisaurus
See also: Thesaurus and thésaurus

English[edit]

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Etymology[edit]

16th century, from Latin thēsaurus, from Ancient Greek θησαυρός (thēsaurós, storehouse, treasure); its current English usage/meaning was established soon after the publication of Peter Roget's Thesaurus of English Words and Phrases in 1852

Pronunciation[edit]

Noun[edit]

thesaurus (plural thesauri or thesauruses)

  1. A publication, usually in the form of a book, that provides synonyms (and sometimes antonyms) for the words of a given language.
    "Roget" is the leading brand name for a print English thesaurus that lists words under general concepts rather than just close synonyms.
  2. (archaic) A dictionary or encyclopedia.
  3. (information science) A hierarchy of subject headings—canonic titles of themes and topics, the titles serving as search keys.

Synonyms[edit]

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Latin[edit]

Alternative forms[edit]

Etymology[edit]

From Ancient Greek θησαυρός (thēsaurós, storehouse, treasure).

Pronunciation[edit]

Noun[edit]

thēsaurus m (genitive thēsaurī); second declension

  1. treasure, hoard
    • 405, Jerome and others, Vulgate, Daniel 1:2
      [] et vasa intulit in domum thesauri dei sui
      " [] and he brought the vessels into the treasure house of his god."
  2. a dear friend, loved one
  3. a vault for treasure
  4. chest, strongbox
  5. repository, collection

Inflection[edit]

Second declension.

Number Singular Plural
nominative thēsaurus thēsaurī
genitive thēsaurī thēsaurōrum
dative thēsaurō thēsaurīs
accusative thēsaurum thēsaurōs
ablative thēsaurō thēsaurīs
vocative thēsaure thēsaurī

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Descendants[edit]