'Vocabmaster' is the most powerful vocabulary builder app with literally 2,06,882 records in its database. The entries include single word, phrase, idioms, figure of speech...everything that you can imagine. The app provides real flexibility with built-in wildcard-search features with highly diversified output including definition, example, synonym, antonym, hyponym, hypernym and many more. With this app, while searching, it is possible to specify word-letter number, parts of speech, single word or phrase and many more settings. The output format is really visually enriched making the reading experience very attractive. Additionally, this app has an in-built dictionary which pops up to show the meaning of any word as soon as you tap on it inside the app window.