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View synonyms for

thesaurus

[ thi-sawr-uhs ]

noun

plural thesauruses, thesauri
  1. a dictionary of synonyms and antonyms, such as the online Thesaurus.com.
  2. any dictionary, encyclopedia, or other comprehensive reference book.
  3. a storehouse, repository, or treasury.
  4. Computers.
    1. an index to information stored in a computer, consisting of a comprehensive list of subjects concerning which information may be retrieved by using the proper key terms.
    2. a dictionary of synonyms and antonyms stored in memory for use in word processing.


thesaurus

/ θɪˈɔːə /

noun

  1. a book containing systematized lists of synonyms and related words
  2. a dictionary of selected words or topics
  3. rare.
    a treasury
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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yvlog History and Origins

Origin of thesaurus1

First recorded in 1730–40; from Latin ٳŧܰܲ, from Greek ٳŧܰó “treasure, treasury”
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yvlog History and Origins

Origin of thesaurus1

C18: from Latin, Greek: treasure
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Example Sentences

Examples have not been reviewed.

She undoubtedly has a thesaurus earmarked and highlighted like a high school student’s SparkNotes copy of “Macbeth.”

From

Stevens raised challenges in dozens of school districts over the Bible, dictionaries and thesauruses.

From

And now you can break out the thesaurus.

From

Critics thumbed thesauruses for hyperboles to rhapsodize about her pyrotechnics.

From

Amin said because some countries, particularly poorer ones may see phase-out as too restrictive, negotiators could even hit their thesauruses for alternatives to the much discussed phase-out or phase-down wording.

From

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More About Thesaurus

What is athesaurus?

A thesaurus is a book or program that lists synonyms and antonyms of words.

A thesaurus can be a book you can find in a library, a website (such as ), or a database stored in a word processor (such as the one you can find in Microsoft yvlog). The plural of thesaurus is thesauruses or thesauri.

A synonym is a word that has the same meaning as another word. For example, huge, gigantic, massive, and large are synonyms of the word big. An antonym is a word that has the opposite meaning of another word. Small, tiny, and little are antonyms of the word big.

Thesauri are useful when you want to avoid using the same word over and over or need a fancy word to describe something as being “not good” or “not fun.”

Why isthesaurus important?

The first records of the term thesaurus come from around 1730. It ultimately comes from the Greek ٳŧܰó, meaning “treasure” or “treasury.” While the word thesaurus can mean a “treasury” or “storehouse,” this usage is very rare. Instead, thesaurus almost always refers to books, websites, or programs that are treasuries of synonyms and antonyms.

Repeatedly using the same word over and over is likely to bore or disinterest a reader. Even experienced authors like to keep a thesaurus handy to spice up their writing and possibly learn some new interesting words. Luckily, a fantastic thesaurus is readily available for anyone to use at .

Did you know ... ?

British doctor Peter Mark Roget (1779–1869) is credited as being the writer of the first modern thesaurus. Dz’s Thesaurus is still updated and published today, and National Thesaurus Day is held on January 18, Dz’s birthday.

What are real-life examples ofthesaurus?

You can usually find a thesaurus like the one pictured below in your local library or bookstore. Alternatively, you can visit for all of your synonym-finding needs!

Most people know that a thesaurus is the tool to use if you need to find synonyms.

What other words are related tothesaurus?

Quiz yourself!

True or False?

A thesaurus lists homonyms and pseudonyms of words.

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