knuckleheadish

English edit

knuckleheadish (comparative more knuckleheadish, superlative most knuckleheadish)

of or characteristic of a knucklehead
- 2011, Carl Wells, Inconvenient Opinions‎^[1]:
  "We seldom have humility enough to begin to suspect that just possibly there are knuckleheadish elements to our own character."
I hope these questions don't sound completely knuckleheadish and lame.