1) Barren 2) Bearing no fruit 3) Not producing fruit 4) Producing no fruit 5) Sterile 6) Unfruitful 
sterile; not bearing fruit
• (a.) Not producing fruit; unfruitful.
A·car'pous adjective [ Greek ...; 
effete no longer fertile worn out 
[adj] - producing no fruit
acarpous Without fruit, not bearing fruit; sterile.
adjective producing no fruit
not producing fruit; sterile; barren.