Advanced English Dictionary & Thesaurus ★★★★☆ ($.99 / App Store) for the iPhone is the best dictionary / thesaurus app available for the iOS even with the existence of Google search. Unlike a typical dictionary, AED shows how every word is linked to another. When looking up a word, the app will give you the definition, synonyms, antonyms, hypernyms, meronyms and more. If you need a dictionary app, AED is the one download.
