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Longman English Dictionary is the leading dictionary for learners of English of all ages and levels who want to learn more about English: definition, idioms, examples and more.

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

The Free Online English Dictionary from Macmillan Publishers.

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

Oxford Advanced Learner

The largest and most trusted free online thesaurus. Quickly find accurate and up-to-date synonyms, antonyms, and related words at Thesaurus.com. Synonym dictionary, antonym dictionary, words synonyms.

Learn thousands of real slang words or add your own. Slang thesaurus, maps, usage voting, offensiveness rating, more.

From Britannica, explore the most trusted online kids encyclopedia for homework help and general knowledge information on a variety of subjects like science, history, the arts, math, etc.

Site includes an American-British Dictionary, British-American Dictionary,Travel Photography, Travel Writing, a Day of the Week calculator and loads of Jokes. Website of Craig McCormick

The Free On-line Dictionary of Computing contains terms from computing such as acronyms, jargon, programming languages, tools, architecture, operating systems, networking, theory, conventions, standards, mathematics, telecoms, electronics, institutio...

A free online Talking English Pronunciation Dictionary - simply mouse over your entry to hear it pronounced. American and British spellings, with alternative pronunciations. Sounds are fast, clear and completely natural, pre-recorded by native speak...