Definitions for unfruitfulʌnˈfrut fəl
Random House Webster's College Dictionary
not providing satisfaction; unprofitable; unrewarding:
an unfruitful search for gold.
not producing offspring; sterile.
not bearing fruit or harvest; barren:
an unfruitful tree.
Origin of unfruitful:
not fruitful; not conducive to abundant production
Of or pertaining to not bearing fruit (usually figuratively).
Despite spending two hours looking, her search was unfruitful.
not producing fruit or offspring; unproductive; infertile; barren; sterile; as, an unfruitful tree or animal; unfruitful soil; an unfruitful life or effort