STERILE

(UNABLE TO PRODUCE) [adjective] [not gradable] - (of a living being) unable to produce young, or (of land) unable to produce plants or cropsA mule is a sterile animal.It is thought that one of the side effects of the drug could be to make men sterile.The loss of the rain forests would upset the climates of tropical countries, bringing droughts and floods and sterile soil.Sterile can also mean lacking in imagination or new ideas or energy.They are still continuing with the sterile argument about capitalism versus socialism.We need some new ideas to liven up this sterile campaign.This sterile conflict has been going on for years.