The authoritative dictionary published by the Royal Spanish Academy.

A "reverse dictionary" that supplements the RAE. Allows you to type in words that describe a topic and then finds possible terms related to that topic. In other words, you type in the definition in Spanish and the dictionary finds the words. Created by Sergio Abad, a teacher in Ciudad Real, Spain.

Find newly-coined Spanish terms.

The Royal Spanish Academy and the Association of Spanish Language Academies created this resource to advise about the correct use of Spanish.

Search for a specific word, or browse categories of words and sentences (such as requests, commands, advice, disagreements, email, phone)

Offers nuanced definitions of Spanish terms by country.

Online visual dictionary--look up Spanish terms using pictures.