Defines everyday words including slang, webspeak, and colloquialisms.

A searchable dictionary of terms from computing and related fields.

Free, online multilingual picture dictionary with interactive activities for English, French, German, Spanish, Italian and ESL learners.

Online English dictionary, thesaurus and reference guide. Includes word games, online translator, and word of the day feature.

Online rhyming dictionary. Search for a word and get a list of potential words that rhyme in addition to a definition.

Type in a word and search many dictionaries at once. Also has a reverse dictionary and translations.

Glossaries for several languages and for specialized fields from the University of Vaasa, Finland.

Provides a glossary of Internet jargon and acronyms.

Search on several different dictionaries, an encyclopedia, and the web.

Downloadable program that looks up entire lists of vocabulary words.