unproduceable
improducible
unproductive
ingenerable
uncreatable
unproducible
unobtainable
inaccessible
unprocurable
untouchable
unformable
unstorable
nonstorable
unbuildable
unengineered
nondevelopable
undevelopable
undestroyable
irreplicable
non-replicable
unmakeable
nongenerated
ungenerated
you can't make a silk purse of a sow's ear
unconstructible
inconstructible
unconstructable
creationlessness
nonreproducible
nonignitible
unformed
unadaptably
inobtainable
uninstructable
unusable
noncapable
uninvented
nonusable
unworkable
nondesigned
undesignable
unsynthesizable
unreproducible
unsurpassed
obviating
unexcelled
unexceeded
unutilizable
preclusive
unproductiveness