Reference Tools
Your one-stop for reference sources such as encyclopedias, abbreviations, biographies, dictionaries and more.
General Dictionaries
Dictionaries
Cambridge Dictionaries Online – Look up your word in a number of dictionaries published by Cambridge 
Merriam Webster Online – This web site links you to a number of Merriam Webster’s online publications including dictionaries and encyclopedias
OneLook Dictionaries – Acting like a search engine, OneLook will take you to sites that give definitions or translations of a word
Oxford English Dictionary (U of C only) – The Oxford Dictionary in electronic format
American Heritage Roget's Thesaurus provides a wide range of synonyms organized in alphabetical order
Credo Reference (U of C only) - online encyclopedias, dictionaries and thesauri, covering topics from A to Z
Yourdictionary.com: YourDictionary is a free online dictionary and much more. The free dictionary search gives you definitions, thesaurus entries, spelling, pronunciation, and etymology results for your word.
Subject Specific
For subject specific dictionaries or further support, please see the list of subject research guides and choose your subject.