noetic
intellectualism
retard
cretin
moron
noesis
imbecile
half-wit
idiot
changeling
pan
subnormal
subnormality
nethermind
room-temperature IQ
not the sharpest tool in the box
not the sharpest tool in the shed
not the sharpest knife in the drawer
simple-mindedness
profundity
vacancy
intellection
brainhood
theory of mind
automaticity
brain
fathom
enough sense to pound sand into a rathole
mental age
mental defectiveness
brainpower
genia
abnormality
ideolatry
shallowness
sophomania
retardation
nonintelligence
superconscious
unintelligence
mental retardation
capacity
depth
backwardness
fool
cerebricity
slowness