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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...

The largest dictionary of idioms and phrases currently in use in British, American and Australian English. Over 12,000 phrases and expressions.

Prescriptivism Must Die!

Washington State University provides leading research and world-class learning to 25,000 students at Pullman, Spokane, Vancouver, and Richland, Washington.

Learn English on the world's largest community of teachers and ESL students. Now available in multiple-languages! Learn English Online, Teach English - World #1

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

Free Online English Dictionary & Thesaurus, translation from English to Spanish & Turkish and Spanish to English and other language resources. Conjugation dictionary. Audio pronunciation. Publisher: Cambridge Univeristy Press.

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.

targeted explanations of specific grammar and usage problems, designed for those who are not interested in a lot of unnecessary technical explanations.