A broad smile is a facial expression that conveys happiness and joy. It is characterized by a wide opening of the mouth, showing the teeth, and often accompanied by raised cheeks and eyes that are squinted or closed. The two crossword solutions for the term 'broad smile' are GRIN and BEAM. A GRIN is a facial expression that is similar to a smile, but with less intensity. It is usually characterized by a slight raising of the corners of the mouth, without showing the teeth. A BEAM, on the other hand, is a more intense version of a smile, with the mouth opened wider and the teeth shown.