Merriam Webster All-In-One Dictionary/Thesaurus, Hardcover, 768 Pages

This innovative volume is the ultimate language resource. The features of a dictionary—meanings, pronunciations and usage guidance—are combined with the synonym and antonym features of a thesaurus in a fully integrated whole. Thesaurus entries, which are printed in blue and appear just below the dictionary entries, provided synonyms for every defined meaning, making it easier than ever to find the "right" words to express your ideas. 67,000 clearly written dictionary definitions. 140,000 synonyms and antonyms.