The text has been completely revised, with all the words and meanings you would expect to find in a Collins dictionary as well as hundreds of synonyms and antonyms. It contains: spellings of all irregular or confusing words are given in full; notes on current language are given for problem words; over 200 specialist subjects, such as science and computing, are fully covered; examples of real English are given on the same page for one-stop lookup; most helpful synonyms for each word are given first and highlighted; antonym lists are given for many key words.