Related Clues:

• Irregular
• Occasional
• Scattered
• Fitful
• Unsteady
• Not regular
• Intermittent
• Occurring irregularly
• On-again-off-again
• On-again, off-again
• Happening irregularly
• Occurring here and there, like picadors
• Picadors being scattered, here and there
• Fitful, intermittent
• Occurring here and there, scattered