sterile, unfertile, infertile -- (incapable of reproducing; "an infertile couple")
aseptic, sterile -- (free of or using methods to keep free of pathological microorganisms; "a sterile operating area"; "aseptic surgical instruments"; "aseptic surgical techniques")
sterile, unimaginative, uninspired, uninventive -- (deficient in originality or creativity; lacking powers of invention; "a sterile ideology lacking in originality"; "unimaginative development of a musical theme"; "uninspired writing")
(Sound)
