stupidity
abnormality
amentia
idiocy
imbecility
mental defectiveness
mental deficiency
moronity
bashfulness
clericalism
coyness
destitution
distinctiveness
fatigability
feebleness
genocide
hebetude
hesitancy
illiteracy
inertness
insecurity
invincibility
lowliness
non-fulfilment
obstructiveness
putridity
reluctancy
reticence
retrogression
self-effacement
shyness
stagnation
trepidation