free from living germs or microorganisms; aseptic

sterile surgical instruments.

incapable of producing offspring; not producing offspring.

barren; not producing vegetation

sterile soil.

Botany .

noting a plant in which reproductive structures fail to develop.

bearing no stamens or pistils.

not productive of results, ideas, etc.; fruitless.

adjective

dirty , fruitful , productive

adjective

antiseptic , arid , aseptic , bare , barren , bleak , dead , decontaminated , desert , desolate , disinfected , dry , effete , empty , fallow , fruitless , futile , gaunt , germ-free , hygienic , impotent , infecund , infertile , pasteurized , sanitary , septic , sterilized , unfruitful , uninfected , unprofitable , unprolific , vain , waste , without issue , childless , unproductive , sanitized , uncreative , unimaginative , uninspired , uninventive , unoriginal , colorless , drab , earthbound , flat , flavorless , lackluster , lifeless , lusterless , matter-of-fact , pedestrian , prosaic , spiritless , stodgy , bioclean , clean , geld , ineffective