The term RELENTLESSLY QUESTION can be summarized as 'GRILLING' which is a five letter word. GRILLING is a method of cooking food over direct heat, usually on a metal grate. It is a popular cooking technique used to cook a variety of foods such as steak, burgers, and vegetables. GRILLING is often done outdoors, but can also be done indoors with a stovetop GRILL or electric GRILL. GRILLING is a great way to add flavor to food while still keeping it healthy.