The term LIKE HARD CHEESE can be solved by the crossword solution AGED, which is a four letter word. AGED is an adjective used to describe something that has been around for a long time and has developed a distinct flavor or character. It is often used to describe food, such as cheese, wine, and whiskey. In this case, it is used to describe a type of hard cheese that has been AGED for a long period of time, giving it a unique flavor and texture.