1. Incapable of reproducing
   - unfertile, infertile 
2. Free of or using methods to keep free of pathological microorganisms
   "a sterile operating area"
   - aseptic 
3. Deficient in originality or creativity; lacking powers of invention
   "a sterile ideology lacking in originality"
   - unimaginative, uninspired, uninventive

See also: antiseptic, barren, fecundity, fertility, impotent, sterileness, sterilised [Brit], sterility, sterilized, uncreative, unfertilised [Brit], unfertilized, unfruitful, unimpregnated, unproductive

Antonym: fertile

Encyclopedia: Sterile

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