un·fruit·ful
ˌən-ˈfrüt-fəl
: not fruitful: such as
a
: not producing offspring : barren
b
: yielding no valuable result : unprofitable
an unfruitful conference
unfruitfulness
noun
un·fruitfulness
"+
: the quality or state of being unfruitful : unproductiveness , sterility
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Merriam-Webster unabridged



