English Dictionary

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

We provide hundreds of thousands of definitions, synonyms, antonyms, and pronunciations for English and other languages, derived from our language ...

The free offline English dictionary application explains the meaning of English words! Fast search, easy and functional user interface, optimized also for tablets

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Looking for the meanings of words, phrases, and expressions? We provide hundreds of thousands of definitions, synonyms, antonyms, and pronunciations for English and other languages, derived from our language research and expert analysis. We also offer a unique set of examples of real usage, as well as guides to:

Writing help: This section gives guidelines on writing in everyday situations, from applying for a job to composing letters of complaint or making an insurance claim.

Grammar: Straightforward advice on some of the trickier points of English grammar.

Spelling: This section contains lots of quick-reference spelling tips and other useful guidelines.

Usage: This section gives you lots of practical advice, helping you to avoid making some of the most common mistakes of usage.

At the cutting edge of language change, Collins free online English dictionary offers you all the latest words and phrases you need at your fingertips. Whether for study, at work, or on the go, you can check spellings, look up meanings and words you need, every day.

Take one of our fun quizzes to practise and improve your English. Topics include: common spelling errors, differences in British and American English, figures of speech, the latest trending words, and more.