sterile

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

infertile unfertile aseptic unimaginative uninventive uninspired

fertile

sterileness