boneheaded adj 1: (used informally) stupid [syn: {blockheaded}, {boneheaded}, {duncical}, {duncish}, {fatheaded}, {loggerheaded}, {thick}, {thickheaded}, {thick-skulled}, {wooden-headed}]
boneheaded \bone"head*ed\ adj. very stupid; -- used of people or actions. [informal] -- {bone"head*ed*ness}, n. Syn: blockheaded, fatheaded, loggerheaded, thick, thickheaded, thick-skulled, wooden-headed. [WordNet 1.5] bone-idle