\Sigh\, v. i. [imp. & p. p. {Sighed}; p. pr. & vb. n.
{Sighing}.] [OE. sighen, si?en; cf. also OE. siken, AS.
s[=i]can, and OE. sighten, si?ten, sichten, AS. siccettan;
all, perhaps, of imitative origin.]
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 s[=i]th
      is still heard in England and among the illiterate in
      the United States.

\Sigh\, v. t.
1. To exhale (the breath) in sighs.
         Never man sighed truer breath.        --Shak.
2. To utter sighs over; to lament or mourn over.
         Ages to come, and men unborn, Shall bless her name,
         and sigh her fate.                    --Pior.
3. To express by sighs; to utter in or with sighs.
         They . . . sighed forth proverbs.     --Shak.
         The gentle swain . . . sighs back her grief.
                                               --Hoole.

\Sigh\, n. [OE. sigh; cf. OE. sik. See {Sigh}, v. i.]
1. A deep and prolonged audible inspiration or respiration of
   air, as when fatigued or grieved; the act of sighing.
         I could drive the boat with my sighs. --Shak.
2. Figuratively, a manifestation of grief; a lan?ent.
         With their sighs the air Frequenting, sent from
         hearts contrite.                      --Milton.