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The most popular dictionary and thesaurus for learners of English. Meanings and definitions of words with pronunciations and translations.

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The historical English dictionary An unsurpassed guide for researchers in any discipline to the meaning, history, and usage of over 500,000 words and phrases across the English-speaking …

Jul 18, 2025 · Pioneers in Language Reference for 200 years. Popular and trusted online dictionary with over 1 million words. Find definitions, meanings, synonyms, pronunciations, …

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 …

Jul 18, 2025 · Clear and simple definitions in American English from Britannica's language experts. More usage examples than any other dictionary.

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The meaning of DICTIONARY is a reference source in print or electronic form containing words usually alphabetically arranged along with information about their forms, pronunciations, …