The American Heritage thesaurus

"The American Heritage Thesaurus is an essential resource for finding the perfect word, enhancing your mastery of the English language, and expressing yourself with precision and efficiency." "This thesaurus includes: more than 20,000 main entries and 150,000 synonyms; A-to-Z dictionary format that eliminates lengthy index and appendix; comprehensive list of synonyms grouped by clear definitions - avoids the confusing hodgepodge of obscure and distantly related terms; cross-references among closely related entries to insure precision; thousands of completely updated slang and informal terms; and pertinent quotations and examples that convey nuances in meaning among the most basic and important synonyms."--Jacket.