is Cambridge Advanced Learner's Dictionary 4th Edition which was informed by the Cambridge International Corpus. The dictionary has over 140,000 words, phrases, and meanings including words from the areas of technology, media, language, society and lifestyle. With 32-page Focus on Writing section, it is suitable for learners at CEF levels B2-C2.

There is an online version of Cambridge Advanced Learner's Dictionary & Thesaurus with different translation dictionaries.