Definition of "thickheaded" [thickheaded]

• Stupid, obtuse or dumb. (adjective)

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• "Rick - no, of course it isn't, and they weren't all 'thickheaded', either :"
• "As Private Ashley Williams might say, it takes a special kind of thickheaded to become a new fan in a dying fandom."
• "This can be good -- it can mean honesty and forthrightness and openness -- or it can be bad -- they can be thickheaded pests and you have to hit them over the head practically to make them go away!"