abstruseness
adiaphanousness
ambiguity
amorphousness
asininity
blockishness
boobishness
boorishness
bovinity
cloddishness
cloudiness
crassness
crudeness
dark
darkness
denseness
density
dim-wittedness
dimness
doltishness
dull-wittedness
dullardism
dullness
dumbness
duncery
equivocation
fog
fogginess
fuzziness
grossness
hebetude
impenetrability
impermeability
imperviousness to light
indefiniteness
indeterminateness
indistinctness
intransparency
lethargy
loutishness
lumpishness
mist
mistiness
mumbo jumbo
murk
murkiness
mystification
ninnyism
oafdom
incomprehensibility
anti-aliasing
curvature
ductility
durability
neovascularization
obfuscations
saturation
transparency
viscosity
audacity
capacity
incapacity
overcapacity
voracity