Combining scholarly authority with a new awareness of today's communication demands,Roget's 21st Century Thesaurusis 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 entryfrom sophisticated choices to completely new vocabulary in the languagebrings 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 thesaurusOVER 1 MILLION WORDS! Concise definitions for each main entry A revolutionary Concept Indexarranged by idea, it mirrors the way we actually think! No obsolete termsall synonyms and antonyms reflect modern usage

The Princeton Language Institute is a consortium of experts composed of linguists, lexicographers, writers, teachers, and businesspeople. The Institute enables writers and members of professional communities to enhance their communication and language skills through their series of academic, yet practical, reference tools.

Barbara Ann Kipfer is the head lexicographer of ROGET'S 21st CENTURY THESAURUS. She holds a Ph.D. and an M.Phil in Linguistics from England's University of Exeter, and is a pioneer in electronic lexical systems. She has designed and assmbled lexicographic references and conducted lexicographic researched for many clients. She is a member of the Dictionary Society of North America, the Association of Computational Linguistics, and the European Association for Lexicography. She is also the bestselling author of 14,000 Things to be Happy About.