boneheaded

== English == === Etymology === From bone +‎ headed. === Pronunciation === === Adjective === boneheaded (comparative more boneheaded, superlative most boneheaded) (slang) Resembling or characteristic of a bonehead. Synonyms: thickheaded; see also Thesaurus:stupid, Thesaurus:foolish ==== Derived terms ==== boneheadedness boneheadedly ==== Related terms ====