Scrubbier
Scrubbier is a term often used informally to describe something that is dirtier, more unkempt, or in a state of greater disrepair than something else. It implies a comparative lack of cleanliness or tidiness, suggesting a more thorough or persistent accumulation of grime or neglect. For instance, one might describe a well-used kitchen sponge as being "scrubbier" than a new one, or a neglected garden as having become "scrubbier" over the years.
The word itself is a comparative form derived from the adjective "scrubby." "Scrubby" typically refers to vegetation