The Merriam-Webster thesaurus. 

 - Springfield, Mass. :  Merriam-Webster,  c2005. 
 - 15a, [669] p. ;  22 cm. 
<br/><br/> "New edition"--Cover. 
<br/><br/><label>ISBN: </label>9780877796374 (pbk. : alk. paper) 0877796378 (pbk. : alk. paper) 
<br/><br/><label>LCCN: </label>2005-001361 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Synonyms and antonyms.