The best magazine
must (must-have, must-see...), the best
Ce livre est un must ! - This book is a must-read! You must read this book!
Menton : c'est le must de la Côte d'Azur - Menton is the best part / must-see of the Côte d'Azur
Notes: Though you will hear must in France (and possibly other French-speaking countries), it is not a French word: it's franglais, which automatically makes it informal. Use with caution, if at all.
Click the little graphic below to hear the franglais word must pronounced in French.