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the largest and most trusted free online dictionary for learners of british and american english with definitions, pictures, example sentences, synonyms, antonyms, word origins, audio pronunciation, and more. look up the meanings of words, abbreviations, phrases, and idioms in our free english dictionary.

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pioneers in language reference for 200 years. popular and trusted online dictionary with over 1 million words. find definitions, meanings, synonyms, pronunciations, translations, origin and examples.

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the online etymology dictionary (etymonline) is the internet's go-to source for quick and reliable accounts of the origin and history of english words, phrases, and idioms. it is professional enough to satisfy academic standards, but accessible enough to be used by anyone.