The term DECREASER is a 6-letter crossword solution for the job description IRONER. An IRONER is a person who operates an industrial or domestic ironing machine to press clothes and other textiles. A decreaser is a person who works with the IRONER to help reduce the amount of fabric that needs to be ironed. They are responsible for folding, sorting, and organizing the fabric before it is sent to the IRONER. This helps to reduce the amount of time and effort needed to iron the fabric.