Thesaurus — Meaning, Definition & Synonyms

noun /thi-ˈsȯr-əs/ the·sau·rus

Meaning & Definition of Thesaurus

Thesaurus (noun)

  1. a book of words or of information about a particular field or set of concepts; especially, a book of words and their synonyms
  2. a list of subject headings or descriptors usually with a cross-reference system for use in the organization of a collection of documents for reference and retrieval
  3. treasury, storehouse

Thesaurus (noun) — Senses, Synonyms & Antonyms

  1. a reference book that groups words with the same or similar meanings together

    "Struggling to find just the right word, she took to the thesaurus for ideas."

Synonyms, Thesaurus & Another Word for Thesaurus

The most common words with a similar meaning to Thesaurus:

Word Forms of Thesaurus

Inflections: thesauri, thesauruses

Derived words: thesaural (adjective)

Origin & Etymology of Thesaurus

New Latin, from Latin, treasure, collection, from Greek thēsauros

First known use: circa 1823

Frequently Asked Questions about Thesaurus

What does "Thesaurus" mean?

"Thesaurus" means a book of words or of information about a particular field or set of concepts; especially, a book of words and their synonyms. As a noun, it is defined as: a book of words or of information about a particular field or set of concepts; especially, a book of words and their synonyms.

What is another word for "Thesaurus"?

Other words for "Thesaurus" include gloss, glossary, nomenclator, vocabulary, lexicon and wordbook. The best synonym depends on which meaning of "Thesaurus" you intend.

How do you use "Thesaurus" in a sentence?

Examples of "Thesaurus" in a sentence: "Struggling to find just the right word, she took to the thesaurus for ideas.".

Is "Thesaurus" a noun, verb, or adjective?

"Thesaurus" is a noun.

How do you pronounce "Thesaurus"?

"Thesaurus" is pronounced /thi-ˈsȯr-əs/ and divided into syllables as the·sau·rus.

What is the origin of the word "Thesaurus"?

"Thesaurus" comes from New Latin, from Latin, treasure, collection, from Greek thēsauros. First known use: circa 1823.

What is another word for "Thesaurus" meaning "a reference book that groups words with the same or similar meanings together"?

When "Thesaurus" (noun) means a reference book that groups words with the same or similar meanings together, synonyms include gloss, glossary, nomenclator, vocabulary, lexicon and wordbook.

What are the forms of "Thesaurus"?

The word forms of "Thesaurus" include thesauri and thesauruses.