the·sau·rus

thesaurus
- pronunciation:
- th
saw
r
s
- features:
- 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
|
Thesaurus is a Latin word borrowed from the ancient Greek word
thesauros, which means "treaure" or "storehouse."