absence of mind
absurdity
agnosticism
aimlessness
aridity
asininity
barrenness
battiness
big deal
blank
blank mind
blankmindedness
blankness
bloodlessness
bootlessness
brainlessness
buffoonery
callowness
calm of mind
characterlessness
clean slate
clownishness
colorlessness
counterproductiveness
counterproductivity
crackpottedness
crankiness
craziness
daffiness
dead letter
deadness
desipience
dismalness
dottiness
dragginess
dreariness
dryness
dullness
dustiness
eccentricity
effeteness
emptiness
emptiness of mind
empty sound
empty space
empty-headedness
etiolation
failure
meaninglessness
banality
childishness
dejection
effeminacy
foppery
fretfulness
futility
helplessness
idleness
imbecility
incapacity
inertia
inutility
irrationality
placidity
ridiculousness
roguery
senselessness
shiftlessness
squalor
thriftlessness
uselessness
wastefulness
worthlessness