S: (adj) aseptic, sterile (free of or using methods to keep free of pathological microorganisms) "a sterile operating area"; "aseptic surgical instruments"; "aseptic surgical techniques"
S: (adj) 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"