Deflection/dɪˈflekʃn/ Definition 1 of 3Pro Tip 1/3Physical Interaction Usually involves an object touching another to cause deflection. The soccer ball's deflection off the goalie's hands changed its course. Pro Tip 2/3Directional Change Indicates a significant alteration in path, not just a minor detour. The car's deflection from the road avoided an accident. Pro Tip 3/3Unintentional Shift Deflection often happens unexpectedly and isn’t planned. The sudden deflection of the frisbee caught the players off guard.