Definition of sigh

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