Description COBUILD Advanced American English Dictionary
For upper-intermediate and advanced learners of English
Be confident in English
Up-to-date coverage of American English, with full-sentence definitions showing words and phrases in context
Authentic examples from the Collins Corpus show how English is really used
Expand your vocabulary
A wide range of vocabulary-building features covering collocations, synonyms, and related words
Full-color illustrations present topic-related vocabulary in a memorable way
Improve your fluency
The most frequent words clearly labeled, showing which words to learn first
A grammar reference and handbooks on written and spoken communication help improve accuracy and fluency
you can trust Collins COBUILD
All of our explanations, examples, and special features are based on our 4.5-billion-word database of the English language, the Collins Corpus, which means that you can trust COBUILD to help you speak and write accurate and up-to-date English. The corpus is updated every month and has been at the heart of Collins COBUILD for over 25 years.