Merriam-Webster's Dictionary of Synonyms Merriam-Webster
The Oxford American Thesaurus of Current English Oxford University Press
Roget's International Thesaurus HarperResource
Roget's II: The New Thesaurus Berkley Books
The Thinker's Thesaurus: Sophisticated Alternatives to Common Words Marion Street Press
This guide focuses on materials available at Jenkins. Public libraries, like the Free Library of Philadelphia, and academic libraries often have a larger collection of dictionaries, thesauri, and other reference materials. Academic libraries may have access restrictions and we recommend contacting them before visiting for their most up-to-date policy information.