The Alternative Dictionaries
Includes a list of slang terms and phrases in various languages.
The Century Dictionary Online
Free 500,000 word dictionary of English with an encyclopedia and world atlas. Uses DjVu and JPEG formats to display page images. Has headword lookup and full text search of 22 mill…
The Glossarist
Searchable directory of glossaries and topical dictionaries containing terms and definitions on hundreds of subjects.
Webster's Online Dictionary: The Rosetta Edition
This database doubled with a metasearch tool extracts records from a variety of online and public-domain paper dictionaries, both general and specialized. It offers English definit…
Word Assault
Looks up multiple words simultaneously using several databases including Webster's, Easton's, Wordnet, and the Devil's Dictionary.
Word Central
Student dictionary and rhyming dictionary online at Merriam-Webster's website. Daily Buzzword by subscription.
Worthless Word for the Day
Obscure, abstruse and/or recondite word, especially one not falling into medical terms, foreign monetary units, foreign units of measure, legal terms, or professional jargon of any…
Xlation.com Glossary Database
More than 1682 separate glossaries, linked by topic and by ISO 639-2 language codes.
yourDictionary.com
Comprehensive index of on-line dictionaries in more than 200 different languages. Includes an index of on-line grammars, word of the day by email, and several pages of linguistic f…
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