Springs on is a phrase commonly used to describe someone who suddenly attacks or surprises another person. Antonyms for springs on include phrases like holding back, delaying, or carefully planning. If someone is holding back, they are intentionally refraining from their initial reaction or impulsiveness. Delaying means that the person is intentionally postponing their actions, likely to avoid any potential negative consequences. Carefully planning entails a well-thought-out strategy to execute an action, without resorting to impulsive behavior. In essence, using antonyms for springs on suggests a sense of control, restraint, and thoughtfulness, rather than impulsive and sudden action.