1. A stupid person; used to express a low opinion of someone's intelligence
   "The teacher scolded the class clown, calling him a bonehead";
   - dunce, dunderhead [informal], numskull [informal], blockhead [informal], lunkhead [N. Amer], hammerhead [informal], knucklehead [informal], loggerhead [archaic], muttonhead [informal], dumbass [N. Amer], lamebrain [informal], pea brain [informal], chowderhead [N. Amer, informal], chucklehead [informal], bubblehead [informal], numbskull [informal], clunk [N. Amer, informal], dumbhead [N. Amer, informal], twonk [Brit, informal], dumbo [informal], thickhead [informal], lunk [N. Amer, informal]

Derived forms: boneheads

Type of: dolt [informal], dullard, meatball [N. Amer, informal], pillock [Brit, informal], pudden-head [US, informal], pudding head [informal], stupe [N. Amer, informal], stupid [informal], stupid person

Encyclopedia: Bonehead