Merriam-Webster is one of the most popular and respected dictionary in the United States and their official dictionary app is available on Android market. In addition to all the definitions from Merriam-Webster’s Collegiate Dictionary, this 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, and more. It’s a great tool for reference, education, and vocabulary building.

The app is free, and supported by ads