The crossword solution for the term 'feeling that makes you say 'ow!' is 'PAIN, ' which is a four-letter word. PAIN is an unpleasant physical or emotional sensation that can range from mild to severe. It is often associated with injury, illness, or trauma, and can be caused by a variety of factors. PAIN is the body's way of alerting us to something that needs attention, and it is usually accompanied by an exclamation of 'ow!'