The phrase "were on edge" refers to a state of being nervous, anxious or agitated. Its antonyms include being calm, relaxed, peaceful, serene, and contented. When we are not on edge, we are typically in a state of tranquility or harmony, where we feel safe and secure. We can achieve such a state by practicing mindfulness, meditation, exercise, or simply by taking deep breaths during stressful situations. Being on edge can negatively impact our mental and emotional wellbeing, leading to irritability, insomnia, and other health problems. Therefore, it's important to identify strategies that help us stay calm and centered when we find ourselves in stressful situations.