Source : Webster's Revised Unabridged Dictionary (1913)

Squally \Squall"y\, a.
   1. Abounding with squalls; disturbed often with sudden and
      violent gusts of wind; gusty; as, squally weather.

   2. (Agric.) Interrupted by unproductive spots; -- said of a
      flied of turnips or grain. [Prov. Eng.] --Halliwell.

   3. (Weaving) Not equally good throughout; not uniform;
      uneven; faulty; -- said of cloth.

Source : WordNet®

squally
     adj 1: characterized by short periods of noisy commotion; "a home
            life that has been extraordinarily squally" [syn: {squalling}]
     2: characterized by brief periods of violent wind or rain; "a
        gray squally morning"