clumpiest
Least smooth textured
Clumpiest is the superlative of clumpy—the most prone to forming clumps or having an uneven, lumpy texture.
Mascara gets clumpy when it dries out: This is the clumpiest mascara I've ever used.
Soil, rice, or cat litter can be clumpy too: The clumpiest parts of the batter never fully mixed in.
Having irregular bumps
pebbly · rough · bumpy · crumbly · gravelly · knobbly · nubby · clotted
lumpy
Having irregular bumps
granular · pebbly · rough · bumpy · crumbly · gravelly · knobbly · nubby · clotted · curdled
thick
Having great depth
heavy · pasty · sludgy · muddy · doughy · gelatinous · sticky · gloppy · caked · compacted
uneven
Not smooth or balanced
inconsistent · sparse · haphazard · spotty · bunched · clustered · splotchy · random · nonuniform · concentrated