spotty

Adjective (2)spottier, spottiest

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”Synonyms: patchedspottedOpposite plainSimilar patterned
2. lacking consistency“the golfer hit the ball well but his putting was spotty”Synonyms: unevenscratchyOpposite consistentSimilar inconsistent