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, or the like.-hence, to lament; to grieve.-to make a sound like sighing.-to exhale (the breath) in sighs.-to utter sighs over; to lament or mourn over.-to express by sighs; to utter in or with sighs.-a deep and prolonged audible inspiration or respiration of air, as when fatigued or grieved; the act of sighing.-figuratively, a manifestation of grief; a lan/ent.