This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Not bearing fruit or offspring; barren.

adj. Not productive of a good or useful result.

adj. Of or pertaining to not bearing fruit (usually figuratively).

adj. Not producing fruit or offspring; unproductive; infertile; barren; sterile

Not fruitful, in any sense.

adj. not fruitful; not conducive to abundant production

"Praise be to God, my life cannot be called unfruitful; but, compared with the wise Gotthard Lenz and his stout-hearted son Rudlieb, I look upon myself as an esquire who has perhaps been some few times to tourneys, and, besides that, has never hunted out his own forests."

childless    abortive    unsuccessful    acarpous    stillborn   

fruitful   

unproductive    infertile    barren    sterile   

jejune    effete    infertile    unproductive    valueless