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Cambridge Dictionaries Online is accessed by more than 8 million unique visitors every month, making us the most popular online dictionary site for learners of English in the world. Let us help you offer this world-class dictionary content to meet your customers’ needs.

Cambridge has flexible solutions for a range of uses, from permissions for smaller amounts of data, to offline licenses of specific dictionaries, to access to Cambridge’s custom-developed API. We’re happy to work with you to meet your specific needs.

Cambridge currently licenses our highly popular Advanced Learner’s Dictionary, intermediate and beginner dictionaries in British and American English, the Cambridge Business English Dictionary, the Cambridge Pronouncing Dictionary, and semi-bilingual dictionaries in these languages:

  • English-Chinese (Simplified and Traditional)
  • English-Arabic
  • English-Catalan
  • English-Italian
  • English-Japanese
  • English-Korean
  • English-Polish
  • English-Portuguese
  • English-Russian
  • English-Spanish
  • English-Turkish

Ready to start? Complete our Cambridge dictionary data licensing query form to submit your request to the Cambridge Dictionaries Online team. If you’d like to test our API first, you can register for a free 30-day evaluation key, but you may wish to wait to register until you hear back from our team about pricing.

Please note that we do not provide free access to our API for research or prototyping purposes.

We look forward to hearing from you!


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To request permission to use or license Cambridge dictionary data, please complete our query form.