Thesaurus

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Dictionary Meaning and Definition on 'Thesaurus'

Thesaurus Meaning and Definition from WordNet (r) 2.0
    thesaurus n : a book containing a classified list of synonyms [syn: synonym finder}] [also: thesauri (pl)]
Thesaurus Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Thesaurus \The*sau"rus\, n.; pl. Thesauri. [L. See Treasure.] A treasury or storehouse; hence, a repository, especially of knowledge; -- often applied to a comprehensive work, like a dictionary or cyclopedia.
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Wikipedia Meaning and Definition on 'Thesaurus'


A thesaurus is a reference work that lists words grouped together according to similarity of meaning (containing synonyms and sometimes antonyms), in contrast to a dictionary, which contains definitions and pronunciations. The largest thesaurus in the world is the Historical Thesaurus of the Oxford English Dictionary, which contains more than 920,000 words.

In antiquity, Philo of Byblos authored the first text that could now be called a thesaurus. In Sanskrit, the Amarakosha is a thesaurus in verse form, written in the 4th century. The first example of the modern genre, Roget's Thesaurus, was compiled in 1805 by Peter Mark Roget, and published in 1852. Entries in Roget's Thesaurus are listed conceptually rather than alphabetically.

Although including synonyms, a thesaurus should not be taken as a complete list of all the synonyms for a particular word. The entries are also designed for drawing distinctions between similar words and assisting in choosing exactly the right word. Unlike a dictionary, a thesaurus entry does not define words.

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Thesaurus Sample Sentences in News


  • Thesaurus is a simple app for quick reference
    Reference apps don't get much simpler than Thesaurus. The app, which requires iOS 7 and is US$0.99 in the App Store, does exactly what it says it does: provide you with synonyms – and nothing else. This minimalist approach definitely has its... Read more on this news related to 'Thesaurus'
  • 7 dictionary and reference apps that are not just for students
    These wiki-tools, thesauruses, and word games make awesome tools for use inside and out of the classroom. Read more on this news related to 'Thesaurus'
  • The Getty Continues to Expand Access to Vocabularies
    The Getty Research Institute released the Getty Thesaurus of Geographic Names (TGN) as linked open data. Anyone may now access the vocabulary to download, share, or modify it for free under an Open Data Commons Attribution License. Read more on this news related to 'Thesaurus'

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