Breath/breθ/ Definition 1 of 5Pro Tip 1/3Physical Expression Often used to describe someone's state during physical activity or emotion. Her breath quickened as she rushed to meet him. Pro Tip 2/3Indicating Relief Used when someone is relieved after a tense or stressful event. He sighed in relief, taking a long breath. Pro Tip 3/3Health Reference Can reference one’s health or wellbeing, especially when labored. The doctor checked how quickly his breath returned to normal.