The Merriam-Webster's Thesaurus is unique. Each main entry contains a concise definition of meaning shared by the synonyms. Simple alphabetical organization throughout eliminates the tedious problems of hunting through an index several times and makes word-finding fast and easy. Thousands of antonyms, related words, and idioms provide additional up-to-date information and guidance. It is a perfect companion to Merriam-Webster's Collegiate Dictionary, Tenth Edition, America's best selling desk dictionary.