Activa General Spanish/English Dictionary
Dictionary has about 25,000 entries with brief definitions.
Type in a word in one of six languages and find out its translation in any of the others.
Type in a word and find the Spanish equivalent.
Type in a word and find the English equivalent.
Diccionario de Antónimos
Type in a word and receive a list of up to 30 that have opposite meaning.
Diccionario de Sinónimos
Type in a word and receive a list of up to 30 that have similar meanings.
Thorough definitions for translating between Spanish and English. With nearly 100,000 entries, this is one of the most complete dictionaries available.
English/Spanish - Spanish/English Dictionary
Get translations not only of the word you type in, but of related words as well.
Type in a word and get the translation in Spanish or English. A nice feature is that sound clips provide the pronunciation for many words.
One of the best dictionaries for finding idioms and phrases. Type in "town," for example, to find out how to say "to go out on the town" in Spanish.
Diccionario de Regionalismos de la Lengua Española
Words from throughout the Spanish-speaking word are listed and defined along with the country of use. In Spanish only.
Jergas de Habla Hispana
Lists, by country, of slang, argot, and jargon. In Spanish only.
Diccionario de Español
Type in a word in Spanish and receive its meaning in Spanish.
Diccionario de la Bolsa de Valores
Financial terms explained. In Spanish only.
Excellent source for weather terms, from the Spanish version of The Weather Channel
Diccionary of Medical Terms
List and Glossary of medical terms in Spanish
Large collection of computer-related terms translated from English to Spanish.