Source : Webster's Revised Unabridged Dictionary (1913)

Jagged \Jag"ged\, a.
   Having jags; having rough, sharp notches, protuberances, or
   teeth; cleft; laciniate; divided; as, jagged rocks. `` Jagged
   vine leaves' shade.'' --Trench. -- {Jag"ged*ly}, adv. --
   {Jag"ged*ness}, n.

Source : WordNet®

jaggedness
     n : something irregular like a bump or crack in a smooth surface