sterile
frustrate
barren
infrugiferous
fruitlessly
unresulting
ungainsome
unavailing
unproductive
fruitlessness
irrespirable
unavailingness
blank
time-waster
fruitless
unverdant
inutility
barrenly
floccinaucinihilipilificatious
infructuose
acarpous
wild-goose chase
pardonless
unequalled
unproductivity
wastelessness
carved in stone
noncategorizable
unprocreant
uncount
vainness
infructuously
non-count
inappealable
jejune
monovalent
outmoded
incorrigible
nonaffiliated
unchic
bootless
unfruitfulness
frou-frou
nonresizable
unserviceable
inutterable
unfructuous
leaflessness
denumerate
unimpeachably