Merriam-Webster's Advanced Learner's Dictionary, Kindle Edition

You can set this dictionary as your default Kindle dictionary and look up words while reading. The default setting is The New Oxford American Dictionary included on your Kindle, but you have the option to change your default setting to this compatible dictionary after purchase.

Designed for learners of English, this groundbreaking new dictionary from North America-s foremost language experts provides in-depth and up-to-date coverage of basic English vocabulary, grammar, and usage. 

- Nearly 100,000 words and phrases

- More than 160,000 usage examples - the most of any dictionary

- More than 22,000 idioms, verbal collocations, and commonly used phrases