Synonyms & related words for thesaurus

Find synonyms, related words, and the definition of thesaurus — including dictionary, wordbook, lexicon, vocabulary, glossary, lexis. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to thesaurus

Explore words related to thesaurus — words associated with it, words that go with it, and its nearest matches in meaning. Related words include thesauri, synonyms, definitions, synonymize, encyclopedias, lexical, lexicography, encyclopedic. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for thesaurus

Common synonyms for thesaurus include dictionary, wordbook, lexicon, vocabulary, glossary, lexis, synonymy, terminology — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does thesaurus come from?

The word thesaurus breaks down into one root of Greek origin: the root thesaur-, from Greek thesauros (“treasure, storehouse”). Explore each root to see other English words built from the same source.