incapable of reproducing; an infertile couple

[ Syn: unfertile , infertile ]

free of or using methods to keep free of pathological microorganisms; a sterile operating area; aseptic surgical instruments; aseptic surgical techniques

[ Syn: aseptic ]

deficient in originality or creativity; lacking powers of invention; a sterile ideology lacking in originality; unimaginative development of a musical theme; uninspired writing

[ Syn: unimaginative , uninspired , uninventive ]