The term 'Not Gonna Happen!' can be expressed in a variety of ways, as evidenced by the crossword solutions given. NOPE (4 letters), NEVER (5 letters), NOWISE (6 letters), NAH (3 letters), ASIF (4 letters), UHUH (4 letters), IWONT (5 letters), NOHOW (5 letters), and NODICE (6 letters) are all ways to express the sentiment that something is not going to happen. Each of these words conveys the same meaning, but with slight variations in emphasis or tone.