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The world's leading online dictionary: English definitions, synonyms, word origins, example sentences, word games, and more. A trusted authority for 25+ years!

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With more than 2 million trusted definitions and synonyms plus word puzzles, language quizzes, and spelling quizzes, this English dictionary and thesaurus app for iPhone is optimized with …

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The best dictionary available for English language learners. This app includes Voice Search, audio pronunciations, Word of the Day, synonyms & antonyms, illustrations, Favorites & more.