Anagrammer Crossword Solver is a powerful crossword puzzle resource site. We maintain millions of regularly updated crossword solutions, clues and answers of almost every popular crossword puzzle and word game out there. We encourage you to bookmark our puzzle solver as well as the other word solvers throughout our site. Explore deeper into our site and you will find many educational tools, flash cards and plenty more resources that will make you a much better player. This page shows you that MUST is a possible answer for Prerequisite. You can also see that this clue and answer has appeared in these newspapers and magazines: February 27 2019 The Times - Concise, January 14 2017 Universal, July 11 2016 The Guardian - Quick crossword and more.