knucklehead
Not too bright
A knucklehead is a stupid or foolish person—someone whose head might as well be made of knuckle bone.
The term is mildly insulting but often affectionate: Don't be such a knucklehead.
It suggests thoughtless behavior rather than genuine malice or deep stupidity.
Stupid, foolish person
- boneheadFoolish or stupid person
- numbskullStupid or foolish person
- dimwitFoolish, slow person
- dunceSlow-witted person
dolt · nincompoop · simpleton · nitwit · airhead · dullard · halfwit · pinhead
Inept person
- fumblerOne who mishandles objects
- blundererOne who errs clumsily
- butterfingersClumsy dropper of things
- klutzAwkward, graceless person
oaf · lummox · galoot · clod · ham-handed · bumbling · inept · maladroit
Device for a task
- turkeyWattled North American fowl
- doofusFoolish, inept person
- dingbatDecorative printing symbol
- ditzFoolish, flighty person
flake · goof · lunkhead · schlub · schmuck · dingus · ding-dong · goober
Stubbornly refusing to yield
- hardheadedStubbornly unyielding or practical
- pigheadedStubbornly refusing to yield
- mulishStubbornly refusing to yield
- obstinateFirmly refusing to yield
headstrong · thickheaded · willful · unyielding · inflexible · adamant · dogged · obdurate
blockhead
Stupid, foolish person
dunce · dolt · nincompoop · simpleton · nitwit · airhead · dullard · halfwit · pinhead · dope
bungler
Inept person
- fumblerOne who mishandles objects
- blundererOne who errs clumsily
- butterfingersClumsy dropper of things
klutz · oaf · lummox · galoot · clod · ham-handed · bumbling · inept · maladroit · goof-up
tool
Device for a task
ditz · flake · goof · lunkhead · schlub · schmuck · dingus · ding-dong · goober
bullheaded
Stubbornly refusing to yield
- hardheadedStubbornly unyielding or practical
- pigheadedStubbornly refusing to yield
- mulishStubbornly refusing to yield
obstinate · headstrong · thickheaded · willful · unyielding · inflexible · adamant · dogged · obdurate · unbending