Roget's Thesaurus

Roget's Thesaurus is a very popular English-language thesaurus. It was made in 1805 by Peter Mark Roget. Peter Mark Roget was a British physician, natural theologian, and lexicographer. A thesaurus is a book that helps people find different words with similar meanings. Roget's Thesaurus is special because it groups words by ideas instead of just listing them in alphabetical order. This helps people find the right word when they are writing or speaking. Many students, writers, and speakers use Roget's Thesaurus to improve their vocabulary.

History

Roget's Thesaurus was released to the public on 29 April 1852. Dr. Peter Mark Roget, who was once a secretary of the Royal Society, wanted to help people who find writing difficult.

The way Roget organized words and groups came from the ideas of Leibniz, and also included some thoughts from Aristotle. The original manuscript is kept at the Karpeles Library Museum.

Utilitarian Jeremy Bentham Karpeles Library Museum Leibniz § Symbolic thought epistemological Aristotle's Categories

Content

Roget described his thesaurus in the first edition. He said he began thinking about this project almost fifty years before it was published. In 1805, he made a small list of words grouped by meaning. This list grew into the thesaurus we know today.

Roget's Thesaurus has six main groups. Each group has many smaller parts and sections. Imagine it like a tree with over a thousand branches. Each branch stands for a group of words with similar meanings. These words are not exact matches, but they share ideas or feelings. One general word is chosen to represent each group.

Editions

The first version of Roget's Thesaurus had 15,000 words. Each new version has grown bigger. The latest, eighth edition, includes 443,000 words. The book is updated often to add new words, but it still uses the same groupings started by Roget.

In 1952, the rights to the book went to its original publishers, now called Longman. The first Penguin edition came out in 1953, and another version appeared in 1966. A teacher named Susan M. Lloyd edited a major update in 1982, and Betty Kirkpatrick continued updating the thesaurus starting in 1987.