Free online dictionary, medical dictionary with scholarship and grant applications.
Publishes range of dictionaries for learners of English all around the world.
Dictionary, thesaurus and translator.
Learn by way of image with thematic, clear, precise pages, with concise and rigorous texts.
Created by lexicographers who studied spoken/written text, showing how and when words are used.
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World's most comprehensive dictionary: 14 languages, thesaurus with literature reference library.
Look up definitions of modern slang and informal words instantly.
Quickest, most intelligent way to improve your vocabulary.
Vocabulary building/communication training resource for parents, students and professionals.
Simple, straightforward definitions for the most popular words.