Thesauri

This category lists sites that provide free online thesauri appropriate for children and/or teens to use.

Roget's II - The New Thesaurus - Contains 35,000 synonyms, succinct word definitions and a hyperlinked category index.
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WWWebster Thesaurus - Searchable online thesaurus from Merriam-Webster.
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Wordsmyth - A dictionary and thesaurus in one. Also gives parts of speech and examples for more than 50,000 words.
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Mathematical Thesaurus - Defines mathematical words and concepts, and indicates the links between them.
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Roget's International Thesaurus of English Words and Phrases - 85,000 hyperlinked cross-references, plus proverbs and quotations from classic and modern authors.
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Thesaurus.com - Searchable online version of Roget's Thesaurus of English words and phrases.
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Phrase Finder - Enter a single word and it will return a list of phrases and sayings that are related to the word in some way.
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