knuckleheaded
0 synonyms and 0 antonyms for knuckleheaded, grouped by meaning and by how common each one is.
Adj — Stupid or inept, like a knucklehead.
We haven't recorded synonyms for knuckleheaded yet. You can still read its full definition, where it comes from, or words that rhyme with it.
Etymology
From knuckle + headed.
Full origin of knuckleheaded →