To cause something to change direction by interposing something; to turn aside from a straight course. The goalie managed to deflect the ball away from the goal.
To cause someone to deviate from an intended purpose or course of action. She tried to deflect the conversation away from the sensitive topic.
To prevent something from being directed at oneself; to avoid or evade. He deflected criticism by pointing out the team's overall success.
To change direction after striking an object; to glance off. The puck deflected off the post and went wide.