thickheaded(redirected from thickhead)
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1. Stupid; dim-witted; ignorant. We would have been in Italy by now if my thickheaded brother hadn't lost his passport. She started talking about a bunch of technical jargon that I'm way too thickheaded to understand.
2. Exceptionally stubborn or inflexible. Don't you realize that making these changes could save the entire business? It infuriates me how thickheaded you can be sometimes!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
mod. stupid; with more bone than brain in the head. He’s so thickheaded he can play football without a helmet.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.