Dictionaries
Longman English Dictionary
The Longman Dictionary of Contemporary English Online is an online version of the Longman Dictionary of Contemporary English.
Visual Dictionary Online
Welcome to the Visual Dictionary Online, the dictionary with a new point of view.
wordreference.com
Free online Oxford dictionaries. Conjugations, audio pronunciations and forums for your questions.
Thesaurus.com
The largest and most trusted free online thesaurus brought to you by Dictionary.com. Quickly find synonyms and antonyms.
Oxford Learners Dictionaries
The Oxford Advanced Learner's Dictionary is the world's best-selling advanced learner's dictionary, used by over 35 million leaners of English.
Learner's Dictionary
Clear and simple definitions in basic American English from North America's leading language experts. More usage examples than any other dictionary.
Online Etymology Dictionary
History and evolution of more than 30000 words, including slang and technical terms.