The crossword solution for the term 'FLINCHES, SAY' is REACTS. To flinch is to make a sudden, involuntary movement in response to something that startles or frightens you. It is a reflexive action that is often associated with fear or surprise. When someone flinches, they usually react quickly and without thinking. This reaction is often accompanied by a physical movement such as a jump, a jerk, or a twitch.