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

The OED is the definitive record of the English language, featuring 600,000 words, 3 million quotations, and over 1,000 years of English.

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, …

Mar 26, 2026 · The most trusted free online English Dictionary with authoritative definitions, example sentences, images, audio & video pronunciations, synonyms and collocations.

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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The complete A-Z is available for free: read meanings, examples and usage notes; listen to British and American English pronunciations; expand images to view related vocabulary.

It’s ideal for anyone preparing for advanced-level Cambridge Exams or IELTS. Get clear, simple definitions from the British, American, and Business dictionaries with just one search!

It has the words, phrases, and collocations that beginning learners of British English need to know, with easy-to-understand definitions and audio pronunciations, and thousands of carefully chosen example …