1. the quality or state of being uneven, irregular, or inconsistent in coverage, quality, or distribution

Examples

• The patchiness of the lawn made it look unkempt.
• There was noticeable patchiness in the paint coverage on the wall.
• The patchiness of cell phone service in rural areas is a common complaint.
• Weather forecasters noted the patchiness of fog across the valley.
• The patchiness of his knowledge became apparent during the exam.
• The patchiness of the data made it difficult to draw reliable conclusions.