'thickheaded' definitions:

Definition of 'thickheaded'

(from WordNet)
adjective
(used informally) stupid [syn: blockheaded, boneheaded, duncical, duncish, fatheaded, loggerheaded, thick, thickheaded, thick-skulled, wooden-headed]

Synonyms of 'thickheaded'

From: Moby Thesaurus

Words containing 'thickheaded'