Roget's Thesaurus published by Kappa Books is designed for home, school, and office. Provides an easy-to-read format with new computer terms and meanings. This document is authoritative with up-to-date definitions along with valuable pronunciation guides and tables. Contains synonyms, antonyms, phrases, and parts of speech. "The Webster Dictionary is not associated with, or published by, the original publishers of Webster's Dictionary or their successors."