The crossword solution for the term 'A GUT FEELING' is seven letters long and is 'INSTINCT'. INSTINCT is an innate behavior that is present in all living creatures, and is often referred to as a gut FEELING. It is an automatic response to a stimulus, and is usually based on past experiences or learned behaviors. Instincts can be both positive and negative, and can be used to help us make decisions or take action in certain situations.