Random House Roget's Thesaurus;

THE AUTHORITATIVE, COMPREHENSIVE, AND EASY-TO-USE THESAURUS FAVORED BY WRITERS AND STUDENTS ALIKE
* One simple alphabetical listing * More than 11,000 main entries * More than 200,000 synonyms and antonyms * Sample sentences for every main entry * Parts of speech shown for every main entry, synonym, and antonym * Extensive coverage of all levels of vocabulary and usage, with informal and slang words identified * Edited and designed for easy access * All entries edited to help in vocabulary building
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