Meaning : Free of or using methods to keep free of pathological microorganisms.
Example :
A sterile operating area.
Aseptic surgical instruments.
Aseptic surgical techniques.
Synonyms : aseptic
Meaning : Deficient in originality or creativity. Lacking powers of invention.
Example :
A sterile ideology lacking in originality.
Unimaginative development of a musical theme.
Uninspired writing.
Synonyms : unimaginative, uninspired, uninventive