Over 200,000 carefully chosen synonyms and antonyms. Alphabetically aranged for ease of use. Thoroughly up-to-date. Special attention given to idioms and phrasal verbs used in American English. Synonyms are listed in order of commonness and appropriateness. Slang words and expressions are labeled. Compiled by Willian D. Lutz, professor of English at Rutgers University, a leading authority on language use