dunderhead
noun
dun·der·head ˈdən-dər-ˌhed 
: dunce, blockhead
dunderheaded
ˌdən-dər-ˈhe-dəd
adjective 
Synonyms
- airhead
- birdbrain
- blockhead
- bonehead
- bubblehead
- chowderhead
- chucklehead
- clodpoll
- clodpole
- clot [British]
- cluck
- clunk
- cretin
- cuddy [British dialect]
- cuddie
- deadhead
- dim bulb [slang]
- dimwit
- dip
- dodo
- dolt
- donkey
- doofus [slang]
- dope
- dork [slang]
- dullard
- dum-dum
- dumbbell
- dumbhead
- dummkopf
- dummy
- dunce
- fathead
- gander
- golem
- goof
- goon
- half-wit
- hammerhead
- hardhead
- idiot
- ignoramus
- imbecile
- jackass
- know-nothing
- knucklehead
- lamebrain
- loggerhead [chiefly dialect]
- loon
- lump
- lunkhead
- meathead
- mome [archaic]
- moron
- mug [chiefly British]
- mutt
- natural
- nimrod [slang]
- nincompoop
- ninny
- ninnyhammer
- nit [chiefly British]
- nitwit
- noddy
- noodle
- numskull
- numbskull
- oaf
- pinhead
- prat [British]
- ratbag [chiefly Australian]
- saphead
- schlub [slang]
- shlub
- schnook [slang]
- simpleton
- stock
- stupe
- stupid
- thickhead
- turkey
- woodenhead
- yahoo
- yo-yo
See all Synonyms & Antonyms 
Example Sentences
wondered how long it would take the dunderheads at the head office to screw things up
Recent Examples on the Web The story’s hero, Nat (no last name given) is a classic le Carré character, a skilled mid-level field operative in the secret British intelligence services who is underappreciated and sometimes abused by the dunderheads above him. 
Richard Lipez, Washington Post, 17 Oct. 2019
Richard Lipez, Washington Post, 17 Oct. 2019 Word History
Etymology
perhaps from Dutch donder thunder + English head; akin to Old High German thonar thunder — more at thunder entry 1
First Known Use
1630, in the meaning defined above
dunderhead
noun
as in idiot
a stupid person wondered how long it would take the dunderheads at the head office to screw things up Synonyms & Similar Words
Relevance
- idiot
- moron
- stupid
- prat
- dolt
- lunatic
- dullard
- imbecile
- ignoramus
- dummy
- fool
- dimwit
- dunce
- simpleton
- loser
- chucklehead
- bonehead
- blockhead
- mutt
- knucklehead
- lunkhead
- doofus
- cretin
- numbskull
- dumbhead
- numskull
- goof
- goose
- chowderhead
- jackass
- pinhead
- airhead
- natural
- oaf
- nitwit
- schnook
- dummkopf
- nimrod
- ninny
- dork
- donkey
- loon
- lamebrain
- hardhead
- goon
- jerk
- fathead
- nincompoop
- meathead
- stupe
- know-nothing
- schlub
- noddy
- clown
- half-wit
- dope
- bubblehead
- yahoo
- cluck
- buffoon
- golem
- turkey
- birdbrain
- ratbag
- dumb cluck
- dip
- hammerhead
- saphead
- clunk
- dodo
- deadhead
- shlub
- gander
- villain
- loggerhead
- thickhead
- noodle
- lump
- dum-dum
- ninnyhammer
- dumbbell
- woodenhead
- dim bulb
- stock
- mome
- cuddy
- loony
- nit
- cuddie
- clodpole
- clodpoll
- madman
- skunk
- booby
- clot
- yo-yo
- zany
- snake
- boor
- scatterbrain
- mug
- nut
- creep
- stinker
- gawk
- cad
- heel
- beast
- cur
- churl
- featherbrain
Antonyms & Near Antonyms
- genius
- brain
- intellect
- thinker
- sage
- whiz
- intellectual
- wizard
- polymath
- sharpie
- sharpy
- Renaissance man