Deluxe edition of Roget's II: The New Thesaurus, based on The American Heritage(R) Dictionary of the English Language, Third Edition, combines the most useful features of a thesaurus and a dictionary. Entries are arranged alphabetically. Complete synonym groups allow the user to see all the possible word choices in one place. Each synonym is cross-referenced to a Category Index that groups words related or opposite in meaning. This is an essential resource to enhancing accuracy in use of the English language.