sporadic /spə-, spo-radˈik/ or (rare) sporadical /-kəl/

1. Scattered
2. Occurring here and there or now and then
3. Occurring casually

sporadˈically adverb

• slew rates
• slews
• sley
• sleys
• slice
• sliceable
• sliced
• slicer
• slicers
• slices
• slicing
• slicings
• slick
• slicked
• slicken
• slickened
• slickening
• slickens
• slickenside
• slickensided
• slickensides
• slicker
• slickered
• slickers
• slickest