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Get the most trusted, up-to-date definitions from Merriam-Webster. Find word meaning, pronunciation, origin, synonyms, and more.
Search more than 275,000 synonyms, antonyms, related words, and idiomatic phrases. The thesaurus is more than just a list of synonyms; it is your guide to more precise and effective use of language.
Synonyms for DICTIONARY: lexicon, vocabulary, glossary, thesaurus, wordbook, nomenclator, gloss
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 Thesaurus.com), or a database stored in a word processor (such as the one you can find in Microsoft Word). The plural of thesaurus is thesauruses or thesauri.
Thesaurus. Explore the English Thesaurus. Get clear explanations and examples of the differences between thousands of synonyms and antonyms, in both British and American English. Search for a word in the search bar, try one of the most popular articles, or browse the thesaurus A-Z. Popular articles. 01 to behave well. 02 a mark on something.
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