clean
vacuitous
Mother Hubbard
vacantness
vanity
vacuity
void
unfill
empty as a pauper's purse
toom
emptyish
clean out
clear out
empty out
confineless
baff
concave
inaneness
blank
vacuous
toom-handed
deserted
not worth salt
not worth a curse
vacant
goodless
shand
vacancy
null set
nullary sum
emptily
frustraneous
inapt
forsaken
nutil
mindless
moveless
glassy
monochromatic
dust
pile of poo
nothingness
null
blank out
unauspicious
unwritten
no good
windy
impertinent
inutilitarian
vacivity
nish
desolate
air
naught
not worth a cress
forsakenly
jack all
space
bugger all
hee-haw
sod all
blankness
place
blank space
nada
drossy
hollow
discard
voidly
nix
deadass
vaporsome
exitless
freehanded
inane
doodly
as much use as a chocolate fireguard
mum
semibarren
nowhere
ghost
orphaned
nixes
sweet FA
noot
nonpadded
clewless
zilch
cluelessly
answerlessly