Definitions

1. adjective

comparing two things; having or showing more nubs or bumps

“The rougher surface was nubblier than the other”

2. comparative

used to compare two things; more nubby

“This rug is nubblier than the one we have at home”

3. superlative

used to compare three or more things; most nubby

“This area is the nubblier of all the places we’ve visited”