The Oxford Advanced Learner's Dictionary is the world's bestselling advanced learner's dictionary, recommended by learners of English and their teachers, and used by 30 million people. It has more words and wider coverage than any other advanced learner's dictionary: containing new words, words from World Englishes, and study words used in the sciences, maths, computing, literature and business. It is the only advanced learner's dictionary to list the most important words you need to know in English.

Key Features
183,500 British and American words, phrases, and meanings, plus 85,000 examples showing how words are used.
2,000 new words and meanings from British and American English, such as offshoring, life coach, sex up, wi-fi.
5,000 study words used in the sciences, maths, computing, literature, and business.
700 entries for words from Australia, Canada, East Africa, India, New Zealand, South Africa, and West Africa.
7,000 synonyms and opposites shown.
200 special synonym notes covering 1,200 synonyms.
Clear and informative illustrations help learners understand difficult meanings and build vocabulary. Illustrations and photographs explain over 2000 words ,with 32 colour pages illustrating groups of words
Colour maps - much appreciated by teachers and students.
2,600 encyclopedic entries to explain references such as Walter Mitty, Fort Knox, Marie Celeste, Peter Pan, Beacon Hill.
96-page Reference Section, with a handy Quick Grammar Guide and special focus pages.