This thoroughly revised and updated new edition of the standard dictionary for advanced learners of English contains 57000 words and phrases, with thousands of new words, increased coverage of phrasal verbs, idioms and American English, greater focus on pronunciation and stress, as well as appendices on irregular verbs, punctuation, weights and measures, etc. The edition also provides notes to clarify points of semantic or grammatical difficulty, and an introduction in simple English for the student plus a higher-level foreword for the teacher or lecturer. The work will be of benefit to advanced students of English, for students reading and studying contemporary textbooks, literature, newspapers and periodicals, for non-native teachers of advanced-level English and for non-native lecturers in English studies.