Sigh v. i. [imp. & p. p. Sighed p. pr. & vb. n. Sighing.]
 1. 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.
 2. Hence, to lament; to grieve.
    He sighed deeply in his spirit.   --Mark viii. 12.
 3. To make a sound like sighing.
 And the coming wind did roar more loud,
 And the sails did sigh like sedge.   --Coleridge.
    The winter winds are wearily sighing.   --Tennyson.
 Note: ☞ An extraordinary pronunciation of this word as sīth is still heard in England and among the illiterate in the United States.