unperceptiveness
virtueless
simpleton
aphilosophical
simple
sloppy-mindedness
inaptitude
wisehood
sagelike
agnosy
wise
unvirtuous
vacant
virtuelessness
vacuous
obtuse
hikmah
mindless
sage
acognitive
purblind
insightlessness
unskillfulness
darkness
innumerate
unintelligence
unknowledgeable
worldwisdom
unfathoming
witful
paromoeon
nonmastery
lackluster
innocent
unsophisticated
benighted
grammatophobia
dark
insensibility
unworldly
unphilosophical
underbrained
not the sharpest tool in the box
subjectivism
not the sharpest tool in the shed
not the sharpest knife in the drawer
unintelligently