spotty in WordNet English dictionary

1. having spots or patches (small areas of contrasting color or texture)
   "a field patched with ice and snow"; "the wall had a spotty speckled effect"; "a black-and-white spotted cow"
   patched  spotty  spotted 
   
2. lacking consistency
   "the golfer hit the ball well but his putting was spotty"
   spotty  uneven  scratchy