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This is a dictionary of English as it is actually used and is also written and presented in plain English. By presenting the patterns of spoken or plain English in a new format, it enables easier and earlier use of a monolingual dictionary. This dictionary is suitable for all learners of English from intermediate to advanced level. There are over 70,000 references and over 90,000 examples, taken from books, magazines and newspapers. The wordlist is up-to-date and gives detailed treatment to the most frequently used words in English. All senses are explained in clear, natural English, using carefully chosen vocabulary to ensure that each meaning can be easily understood. Each spelling of a word is given in full to ensure clarity and essential grammar is contained in the wording of each definition. Synonyms and antonyms are given, as well as guidance on pronunciation using the International Phonetic Alphabet.
A Sun, study studied this question.