EVIU consistently marks words with formal , informal , neutral , written , spoken , or dated labels. For example, in the Advanced book, you learn that "commence" is formal while "start" is neutral.
If you commit to 20 minutes a day, three days a week, you will progress through one level in 6-8 months. By the time you finish the Advanced book, you will have encountered, practiced, and reviewed over 8,000 of the most useful words and phrases in English—far more than most native speakers actively command. English Vocabulary in Use
For anyone serious about achieving fluency, English Vocabulary in Use is not just a book. It is a path. EVIU consistently marks words with formal , informal