Definition of thickheaded in English:

thickheaded

adjective

informal
  • Unintelligent; stupid.

    ‘what a thickheaded business decision!’
    • ‘Apparently, the thickheaded moron beside me was incapable of keeping his mouth shut.’
    • ‘Mike closes his eyes, feeling incredibly thickheaded.’
    • ‘Melissa suddenly cursed herself for being so thickheaded.’
    • ‘Members of our race are ignorant, stubborn, and thickheaded.’
    • ‘I tried getting through to you but you're too thickheaded!’
    • ‘I've seen the way he looked at you - or are you too thickheaded to notice it?’
    unintelligent, ignorant, dense, brainless, mindless, foolish, dull-witted, dull, slow-witted, witless, slow, dunce-like, simple-minded, empty-headed, vacuous, vapid, half-witted, idiotic, moronic, imbecilic, imbecile, obtuse, doltish
    stupid, unintelligent, ignorant, dense, brainless, mindless, foolish, dull-witted, dull, slow-witted, witless, doltish, slow, dunce-like, simple-minded, empty-headed, vacuous, vapid, half-witted, idiotic, moronic, imbecilic
    View synonyms

Pronunciation

thickheaded

/ˌθɪkˈhɛdəd//ˌTHikˈhedəd/