Ideal for intermediate level learners of English, and with full-sentence definitions written in simple, natural English, this dictionary is easy to use and understand. Thousands of updated examples of real English, taken from the 4.5-billion-word Collins Corpus, show learners how the words are used in authentic contexts. This dictionary covers all the essential words, phrases, and idioms that students at this level need to learn and provides help with grammar and usage. Additional information on collocations and synonyms is provided throughout the dictionary to help learners improve their fluency and confidence in using English. Informative and relevant vocabulary panels show how words are used in a range of everyday contexts. In addition, this dictionary offers learners guidance on how to communicate effectively in English. The Language in Use supplement provides a wealth of invaluable information on how to write and speak English for different purposes using the appropriate language, style, and tone. Resources and activities to help learners make the most of the dictionary are available for free online at www.collins.co.uk/eltresources. The Collins COBUILD Learner's Dictionary provides invaluable guidance on the English language, and is the complete reference tool for learners of English.