Sigh

1. v. i. Figuratively, a manifestation of grief; a lan/ent.
2. 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.
3. v. i. Hence, to lament; to grieve.
4. v. i. To make a sound like sighing.
5. v. t. To exhale (the breath) in sighs.
6. v. t. To utter sighs over; to lament or mourn over.
7. v. t. To express by sighs; to utter in or with sighs.
8. v. i. A deep and prolonged audible inspiration or respiration of air, as when fatigued or grieved; the act of sighing.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.