simple
simpleton
stupidass
stun
halfwit
fool
subnormal
underbrained
stupid
gormless
not the sharpest tool in the box
not the sharpest tool in the shed
not the sharpest knife in the drawer
vacancy
unintelligent
dimwit
simple-mindedly
drool bucket
layman
four oh four
nonintellectual
incognoscible
incognizable
dirtbrain
simp
unintelligence
mindless
vacant
vacuous
lackbrain
unknowledgeable
lackluster
rube
unlearned
idiot
subintellectual
submoron
dropkick
half-witted
birdbrain
noncomprehender
dull
noncomprehension
mentally challenged
saphead
dysrationalia
blockish
sap
muggins
tomfool
indocible
cloistered
clueless
subnormality
nitwitted
sloppy-mindedness
senseless
nescient
dunce
mentally deficient person
soft-witted
inacquaintance
unlettered
witless
ignorant
illiterate
purblind
unsmartness
nonsavvy
acognitive
anonymous
unsmart
insensitive
uncomprehending
unskillfulness
debutard
stranger
dope
divvie
buckethead
bucket head
yokel
characterless
dumbbell
half-brained
pinhead
booby
ignorance
boob
shallow
naive
dummy
room-temperature IQ
underbrained
stupid
gormless
unintelligent
incognoscible
incognizable
mindless
vacant
vacuous
unknowledgeable
lackluster
unlearned
half-witted
dull
mentally challenged
blockish
indocible
cloistered
clueless
nitwitted
senseless
nescient
soft-witted
unlettered
witless
ignorant
purblind
nonsavvy
acognitive
anonymous
unsmart
insensitive
uncomprehending
characterless
half-brained
shallow
naive
simple-mindedly
simple
simpleton
stupidass
stun
halfwit
fool
subnormal
not the sharpest tool in the box
not the sharpest tool in the shed
not the sharpest knife in the drawer
vacancy
dimwit
drool bucket
layman
four oh four
nonintellectual
dirtbrain
simp
unintelligence
lackbrain
rube
idiot
subintellectual
submoron
dropkick
birdbrain
noncomprehender
noncomprehension
saphead
dysrationalia
sap
muggins
tomfool
subnormality
sloppy-mindedness
dunce
mentally deficient person
inacquaintance
illiterate
unsmartness
unskillfulness
debutard
stranger
lackluster
dope
divvie
buckethead
bucket head
yokel
dumbbell
pinhead
booby
ignorance
boob
dummy
room-temperature IQ
English words for 'a person lacking intelligence or common sense'
As you may have noticed, above you will find words for "a person lacking intelligence or common sense". Hover the mouse over the word you'd like to know more about to view its definition. Click 
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