knuckleheadUSinformal
numskullinformal
SMART Vocabulary: related words and phrases
Stupid and silly people
airhead
berk
birdbrain
blithering idiot
blockhead
dullard
dumb-ass
dummy
dunderhead
eejit
mutt
need
need your head examinedidiom
nimrod
nincompoop
simpleton
stupid
thicko
tosser
troglodyte
Again and again it happens that the dunce of his class goes to the front in the battle of life.
At school he was a sad dunce.
Do you want to grow up a dunce, Jack? said his father.
Dunce that I am not to have guessed it!
What sort of a dunce do you take me for?