streaky

adjective streakier · streakiest

1. Having streaks.
2. Used to describe a shot where the ball deflects off the edge of the bat, but is not caught by the slips or wicket-keeper and instead results in runs for the batsman. Although the two added thirteen important runs, including four byes let through by Mongia and a streaky outside edge cum late-cut by Pollock for four, one didn't need to be blessed with gifts of insight to realise that Pollock's days at the crease were numbered.
3. Unpredictable, variable; having periods of good and bad (e.g. weather). […] to do his duty in the face of uncommonly streaky weather like a man.
4. Canada, US, usually, in particular, of a person Having alternating periods of good and bad performances; inconsistent. Jones has always been a streaky hitter
5. archaic, slang Having periods of irritation or bad temper.
6. Not well-executed, due to luck more than skill. Two goals from Alexis Sánchez, the second a little streakier than the first, were enough to send Arsenal into a second successive FA Cup final, once again following extra time after being held over 90 minutes by a Championship side.