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Books by Roget, Peter Mark

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Writer: Roget, Peter Mark

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Roget’s Thesaurus — typographic cover

Level C2 · pages · English

Roget’s Thesaurus

Written by Roget, Peter Mark

"Roget's Thesaurus" by Peter Mark Roget is a reference work first published in 1852. Roget, a British physician and lexicographer, created this revolutionary system of verbal classification to help writers struggling with composition. Rather than arranging words alphabetically, his thesaurus organizes them into six primary classes with over a thousand meaning clusters, grouping words by semantic relationships and conceptual connections. Originally containing 15,000 words, the work has expanded through successive editions while maintaining Roget's foundational organizational system, becoming one of the most widely used English-language reference tools.

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Categories: Encyclopedias/Dictionaries/Reference

Readers: Adults Teens

Suggested age: 13+ (AI estimate)

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Suggested age, readers, English difficulty and US school grade are separate labels. Age groups are guidance based on source information or editorial review; unreviewed books are “Not assessed”. A US grade is assigned only with source information or a documented assessment; otherwise it is “Not assessed”. Levels use A1–C2 to indicate reading difficulty. StoryWeaver levels 1/2/3/4 use our approximate A1/A2/B1/B2 guide, labelled “estimated”; this is not an official equivalence. A book-specific assessment takes priority. Other unassessed books are labelled “Not assessed”. Source StoryWeaver levels are retained separately. Classics retain their original English.

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