Roget's 21st Century Thesaurus, Third Edition

Combining scholarly authority with a new awareness of today's communication demands, Roget's 21st Century Thesaurus is the simple, reliable way to find the perfect word for your needs. It features an easy-to-use dictionary format plus a revolutionary Concept Index that arranges words by idea, thus enhancing the user's process of association and leading to scores of additional selections. The inclusion of a wide spectrum of words and phrases with each entry-from sophisticated choices to completely new vocabulary in the language-brings users an exceptional number of alternatives to fit any variation of style and tone.
--Created by the highly respected Princeton Language Institute
--More word choices than any other thesaurus-OVER 1 MILLION WORDS!
--Concise definitions for each main entry
--A revolutionary Concept Index-arranged by idea, it mirrors the way we actually think!
--No obsolete terms-all synonyms and antonyms reflect modern usage