A free online dictionary from Macmillan.
A free online English dictionary which also provides pronunciation guides, word lists and a word of the month, provided by Oxford University Press.
A free online English dictionary, which also provides translation and grammar resources, supplied by Cambridge University Press.
A free online dictionary which does not require the accurate spelling of words to search.
A free online English dictionary which draws on extensive language databases to provide definitions which cover both British and American English as well as a range of specific subject areas.
A free online dictionary which explains the use of words and phrases in natural language and provides examples of the required words in context.
A free online set of resources for the study of languages which features a multitude of online language dictionaries.
A free online resource for English definitions, synonyms, word origins, audio pronunciations, example sentences, slang phrases, idioms, word gaes, legal and medical terms and more.
An online search tool allowing you to find definitions and related words.