lunkheaded

/ˈlʌŋkˌhɛdɪd/
adjective
  1. Stupid, slow-witted, or behaving in a foolish manner.
    • That was a lunkheaded thing to say to your boss.
    • She gave a lunkheaded shrug and walked into the wrong room.
    • His lunkheaded decision to ignore the warning cost him dearly.
Antonyms
What does "lunkheaded" mean? | whatsthatwordmean | whatsthatwordmean