Definition
"Like mad" means doing something with great energy, enthusiasm, or speed. It intensifies the action, suggesting a frenzied or uncontrolled effort. Think of trying to catch up on homework the night before it's due. ðĪŠ Unlike doing something calmly or casually, "like mad" emphasizes the intensity and urgency. It can be used to describe both physical and mental effort. The implied comparison is to someone who is out of control.