Oxford Advanced Learner's Dictionary is described as 'The largest and most trusted free online dictionary for learners of British and American English with definitions, pictures, example sentences, synonym' and is a Dictionary in the education & reference category. There are more than 10 alternatives to Oxford Advanced Learner's Dictionary for a variety of platforms, including Web-based, iPhone, Android, iPad and Mac apps. The best Oxford Advanced Learner's Dictionary alternative is Dictionary.com, which is free. Other great apps like Oxford Advanced Learner's Dictionary are Merriam-Webster, Power Thesaurus, Linguin and Apple Dictionary.