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English definitions and synonyms

Checking the meaning of a word, or finding the right word to use and how to use it or say it, is part of everyday work, study, and play. Oxford provides hundreds of thousands of definitions, synonyms, antonyms, and pronunciations for English across the world, derived from our language research and expert analysis. We also offer a unique set of examples of real usage so that you can be sure you are getting the most accurate information on the language.

English grammar and usage

From using apostrophes correctly and knowing the difference between affect and effect, to understanding sentence structure and using punctuation correctly, our English grammar section has everything you need to enhance and invigorate your writing from quick tips and FAQs to a complete crash course in punctuation.

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Learning a language? Our growing range of bilingual dictionaries and additional language learning resources mean you have a trusted guide to help; whether you are simply needing a few key phrases for your next holiday, working on a tricky translation as part of your studies, or are on your way to fluency. Our dictionaries are designed for both native and English speakers and have been created by experts working with computational tools to analyse millions of words of language together to find the right translations, new phrases, and changing patterns of usage. This means that you can trust our translations and our dictionaries allow you to keep up-to-date with the latest new words.

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