Roget\'s Thesaurus

"Roget\'s Thesaurus is a much useful work for the users of English all over the world and the present version is a thoroughly revised and improved edition aiming at the modern user. While retaining the original structure with 6 sections and 1,000 head-words, all antiquated words and phrases have been removed, and substituted with words in current usage. Many duplications have also been removed."