WordNet® is a large lexical database of English with up to 140,000 entries and more than 1.4 million words, developed by the Cognitive Science Laboratory at Princeton University
Pocket Oxford English Dictionary
This is an electronic reissue of the ninth edition of the world's longest-established pocket English dictionary by Oxford University Press. It offers excellent coverage of English as an international language and thousands of examples illustrate idiomatic usage
The Concise Oxford English Dictionary is the most popular dictionary of its kind around the world and is noted for its clear, concise definitions as well as its comprehensive and authoritative coverage of the vocabulary of the English-speaking world
The Cambridge Dictionary of American English provides definitions for about 40,000 words and is compiled to offer what learners need most in a dictionary
The Collins English Dictionary 2010 Complete & Unabridged is a rich source of words for everyone who loves language. Not only is the dictionary comprehensive and authoritative with its 123,000 headwords and 200,000 definitions, but it also offers outstanding coverage of world, regional and dialect English
WordDefinerer allows you to find the definitions of a word you enter or paste from the WordNik.com website. Enter a word and the program download and display the database. You can also export the list into Pocket Word or CSV format. This service is provided by WordNik
The English Pro Dictionary for MSDict is an extensive dictionary and thesaurus with over 90,000 words, geared to the needs of a wide range of users- from the student at intermediate level and above to the enthusiastic tourist, or native English speaking business professional
DUDEN Deutsches Universalworterbuch - Mit über 150 000 Stichwörtern und Redewendungen, mehr als 500 000 Anwendungsbeispielen sowie Angaben zu Rechtschreibung, Aussprache, Herkunft, Grammatik und Stil
Pocket Oxford English Dictionary and Thesaurus
This value language pack includes the world's longest-established English dictionary- the Pocket Oxford English Dictionary and the Concise Oxford Thesaurus