1) Abortive 2) Acarpous 3) Arid 4) Barren 5) Childless 6) Hardscrabble 7) Infecund 8) Infertile 9) Sterile 10) Stillborn 11) Unfertile 1) Abortive 2) Acarpous 3) Childless 4) Fruitless 5) Hardscrabble 6) Infertile 7) Not bearing fruit 8) Not fruitful 9) Not producing offspring 10) Not providing satisfaction 11) Not yielding good crops 12) Poor 13) Sterile 14) Stillborn 15) Unfertile 16) Unsuccessful 
• (a.) Not producing fruit or offspring; unproductive; infertile; barren; sterile; as, an unfruitful tree or animal; unfruitful soil; an unfruitful life or effort.
[adj] - not fruitful
unfruitful, unfruitfully 1. Not fruitful. 2. Not conducive to abundant production.
adjective not fruitful; not conducive to abundant production
not providing satisfaction; unprofitable: unfruitful efforts. · not producing offspring; sterile: an unfruitful marriage. · not yielding good crops; infertile: unfruitful acres. · not bearing fruit; fruitless; barren: an unfruitful tree.