thickheaded

/θɪkˈhɛdɪd/
adjective
  1. Stupid or slow to understand; not intelligent or quick-witted.
    • My thickheaded uncle refuses to learn how to use a smartphone.
    • Even after three explanations, the thickheaded student still didn't get the joke.
    • Don't be so thickheaded — the answer is right in front of you.
  2. Stubborn or unwilling to change one's opinion.
    • The thickheaded manager ignored all the team's suggestions.
    • She's so thickheaded that she won't even consider another route.
    • He was too thickheaded to admit he had made a mistake.
What does "thickheaded" mean? | whatsthatwordmean | whatsthatwordmean