COMMON If you keep your feet on the ground, you continue to act in a sensible and practical way even when exciting things are happening or you have become successful or powerful. He says he keeps his feet on the ground by keeping childhood friends around him. She must try very hard to keep her feet on the ground and not allow herself to become too dazzled by the luxury of her new life. Note: You can also say that someone has or keeps both feet on the ground with the same meaning. Kevin was always level-headed and had both feet on the ground. Compare with get your feet on the ground. Compare with have your feet on the ground.