Sighing meaning : To inhale a larger quantity of air than usual, and immediately expel it; to make a deep single audible respiration, especially as the result or involuntary expression of fatigue, exhaustion, grief, sorrow, frustration, or the like. To lament; to grieve. To utter sighs over; to lament or mourn over. To experience an emotion associated with sighing. To make a sound like sighing. To exhale (the breath) in sighs. To express by sighs; to utter in or with sighs. The utterance of a sigh.