1. having spots or marks on the surface
2. inconsistent in quality or occurrence; irregular
Usage: informal

Examples

• The teenager had spotty skin that cleared up with treatment.
• The dog’s spotty coat made it easy to identify.
• Her attendance at school has been spotty this semester.
• The internet connection was spotty during the storm.
• His performance on tests was spotty throughout the year.
• The paint job looked spotty with uneven coverage.
• We had spotty cell phone service in the mountains.