The crossword solution for the term INTENSELY FORCEFUL is VIOLENT, which is a 7-letter word. The term INTENSELY FORCEFUL implies a strong and powerful force that is used to achieve a desired outcome. This force can be physical or psychological, and it is often used in a way that is considered aggressive or even VIOLENT. The term VIOLENT is an appropriate description of this type of force, as it implies a level of intensity and power that is often associated with violence.