WordBook is a comprehensive, quick and intuitive dictionary and thesaurus of the English language. It's a great combination of comprehensive contents and fast intuitive interface.
* 150,000 entries with more than 220,000 definitions, 70,000 usage samples
* 30,000 root word origins (etymologies)
* 120,000 pronunciation guides in International Phonetic Alphabet (IPA)
* Spoken pronunciations (all entries)
* Built-in thesaurus and word links connecting words semantically
* Favorite word list and history management
* Browser-like definition content navigation, ability to tap on any word in the content to look up its definition
WordBook is designed to work on both phones and tablets.