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thesaurus

the·sau·rus

thesaurus

 
pronunciation:
th saw rs
features:
Word Combinations (noun), Word History
part of speech: noun
inflections: thesauri, thesauruses
definition: a book that lists words with their synonyms or antonyms.
I looked in a thesaurus for a word that means the same thing as "useful."
similar words:
collection, dictionary, encyclopedia
Word CombinationsSubscriber feature About this feature
Word History
Thesaurus is a Latin word borrowed from the ancient Greek word thesauros, which means "treaure" or "storehouse."