This book contains all the most important words you need to know to pass all C1 Advanced English level tests and exams. This material is perfect for any serious candidate who does not wish to waste time researching and learning new vocabulary the traditional way. This book will make your learning more efficient with less of your own effort, which means more spare time to review other concepts. This is not just a regular dictionary with a bunch of words. In this vocabulary you can find only the most necessary definitions. Knowing these words will help you pass all the relevant tests and exams, and will definitely surprise your examiner, in a good way.