Adjektive
barren {med.}
sterile [ more sterile ; most sterile ]
futile [ more futile ; most futile ]
useless [ more useless ; most useless ]
fruitless [ more fruitless ; most fruitless]
unproductive [ more unproductive ; most unproductive ]
vain [ vainer/more vain ; vainest/most vain]
impotent [ more impotent ; most impotent]
otiose [ more otiose ; most otiose ]
ineffectual [ more ineffectual ; most ineffectual]
empty [ emptier ; emptiest ]
unfruitful [ more unfruitful ; most unfruitful ]
effete [ more effete ; most effete]
meager [ meagerer ; meagerest ]
...
improcreant {infertile}, {med.}
عَقيم {طب}