"Patchier" is a term used to describe something that is uneven or inconsistent in nature. Synonyms for "patchier" include "spottier", which implies the presence of numerous contrasting spots or patches. "Irregular" is another synonym, signifying a lack of uniformity or regularity in appearance. The term "uneven" can be used as well, conveying an irregular surface or distribution. "Inconsistent" is a synonym that denotes a lack of constancy or reliability. Additionally, the term "variegated" can be used to describe something with a diverse range of colors, patterns, or patches. Overall, these synonyms convey the idea of something that is not uniform or consistent, emphasizing variations or disparities in its overall composition or appearance.