Blueseal Dictionary Comprehensive dictionary and thesaurus for German, English, Spanish and French. More than 1.5 million entries.
Collins Dictionary The comprehensive bestselling English, French, Spanish and German dictionaries now free online. Audio pronunciations, synonyms, 2 million unique example sentences from books, images from Flickr, 500 years of word trends.
Merriam-Webster Online Dictionary, thesaurus, word games. Scripts from radio program "Word for the Wise." Audio feature offers audio pronunciations of some words.
Your Dictionary.com Online dictionaries for more than 250 different languages as well as other linguistic and etymological resources.
BEOLINGUS Presented by TU Chemnitz this dictionary has 900.000 entries. Input features include special characters (German umlauts), wildcards, gender of nouns, spelling, pronunciation, word lists, conversions.
Construction Jargon Source for home building construction terms, definitions, pictures, and software.
Definely Online dictionary to quickly lookup English words. It defines words and also allows you to listen to audio pronunciations.