The term 'groom-to-be' is used to refer to a man who is engaged to be married. The term is often used in conjunction with the term 'fiance', which is a six letter word meaning a man who is engaged to be married. The groom-to-be is typically the man who is preparing for the wedding and making all the necessary arrangements. He is also responsible for ensuring that all of the details of the wedding are taken care of, such as the venue, catering, and other services.