Frantic/ˈfræntɪk/ Definition 1 of 3Pro Tip 1/3High Stress Use 'frantic' when the anxiety level is extremely high and visible. The parents were frantic when the child went missing. Pro Tip 2/3Urgent Action Apply when someone is moving fast or is hastily trying to solve a problem. She was frantic to finish her tasks before the deadline. Pro Tip 3/3Loss of Control Reflects a situation where someone's actions are out of control due to worry. He was frantic and shouting for help.