by Merriam-Webster Inc.
Download this app if: you want a great dictionary and reference guide.
In addition to all the definitions from Merriam-Webster's Collegiate Dictionary, the app offers voice search – to let you look up a word without having to spell it – along with synonyms, antonyms, example sentences, Word of the Day, Favorites, and more.
A great tool for reference, education, and...
More than a dictionary — As well as your usual dictionary and thesaurus, there's loads of multimedia entries here to make it more like an encyclopedia. Worth the few bucks they're asking, especially for students.