simpleton
simple
stupidass
stun
halfwit
fool
subnormal
underbrained
stupid
gormless
not the sharpest tool in the shed
not the sharpest tool in the box
not the sharpest knife in the drawer
vacancy
unintelligent
dimwit
layman
drool bucket
simple-mindedly
four oh four
nonintellectual
incognoscible
incognizable
unintelligence
simp
dirtbrain
vacuous
vacant
mindless
lackbrain
unknowledgeable
rube
lackluster
idiot
subintellectual
submoron
dropkick
unlearned
half-witted
noncomprehension
dull
noncomprehender
birdbrain
mentally challenged
indocible
dysrationalia
tomfool
blockish
muggins
sap
saphead
cloistered
clueless
dunce
nescient
inacquaintance
sloppy-mindedness
mentally deficient person
unlettered
ignorant
soft-witted
subnormality
senseless
witless
nitwitted
purblind
anonymous
illiterate
acognitive
unsmartness
nonsavvy
unsmart
insensitive
uncomprehending
stranger
unskillfulness
debutard
booby
naive
divvie
bucket head
dope
characterless
pinhead
shallow
half-brained
ignorance
dumbbell
dummy
boob
buckethead
yokel
room-temperature IQ
underbrained
stupid
gormless
unintelligent
incognoscible
incognizable
vacuous
vacant
mindless
unknowledgeable
lackluster
unlearned
half-witted
dull
mentally challenged
indocible
blockish
cloistered
clueless
nescient
unlettered
ignorant
soft-witted
senseless
witless
nitwitted
purblind
anonymous
acognitive
nonsavvy
unsmart
insensitive
uncomprehending
naive
characterless
shallow
half-brained
simple-mindedly
simpleton
simple
stupidass
stun
halfwit
fool
subnormal
not the sharpest tool in the shed
not the sharpest tool in the box
not the sharpest knife in the drawer
vacancy
dimwit
layman
drool bucket
four oh four
nonintellectual
unintelligence
simp
dirtbrain
lackbrain
rube
idiot
subintellectual
submoron
dropkick
noncomprehension
noncomprehender
birdbrain
dysrationalia
tomfool
muggins
sap
saphead
dunce
inacquaintance
sloppy-mindedness
mentally deficient person
subnormality
illiterate
unsmartness
stranger
unskillfulness
debutard
lackluster
booby
divvie
bucket head
dope
pinhead
ignorance
dumbbell
dummy
boob
buckethead
yokel
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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