Collegiate Thesaurus
American Heritage College Thesaurus
Price: $21.95
This 896-page thesaurus provides a wide range of synonyms, ranging from mainstream vocabulary to the colorful alternatives that make English such a rich and versatile language. Thousands of slang, informal, and regional words broaden the coverage even further. Hardcover.

Merriam-Webster Thesaurus
Price: $5.99
More than 150,000 synonyms, antonyms, related and contrasted words, and idioms in 800-pages. Paperback.

Merriam-Webster's Collegiate Thesaurus
Price: $18.95
More than 340,000 synonyms, antonyms, idiomatic phrases, related words, and contrasted words to choose from in 894-pages. Hardcover, jacketed, and thumb-notched.

Penguin Roget's College Thesaurus in Dictionary Form
Price: $14.00
More than 5,000 new words and phrases in 800-pages including: synonyms for more efficient cross-referencing; easy-to-read double column format; the latest colloquial and slang terms; quotations and phrases that reveal the fascinating history of each word and the ideas it represents. With the synonyms and antonyms for each word listed alphabetically for quick, convenient use, this superior reference volume will help build vocabulary, improve writing skills, and enrich powers of expression. Paperback.

Random House Webster's College Thesaurus
Price: $22.95
Contains over 12,000 entries in an easy-to-use format. Over 400,000 synonyms and anonyms in 832-pages covering all levels of vocabulary from formal English to slang. Example sentences illustrate each meaning of each main entry. Hardcover.

Roget's II The New Thesaurus
Price: $21.00
Unlike many thesauruses, this 1,216-page, easy-to-use reference lists main entry words alphabetically, as in a dictionary, for quick lookup. Each entry is divided into senses, with brief definitions and a full list of synonyms for each sense, to ensure that the selected usage is the most appropriate one. All special usages, such as slang terms, are labeled and grouped together at the end of each synonym list. Hardcover.