Synonyms for Sterilized (same or very similar meaning)
WordNet sense 1 (made free from live bacteria or other microorganisms):
antiseptic, sterilisedWordNet sense 2 (free from germs or pathogenic organisms; sterile):
germfreeWordNet sense 3 (incapable of reproducing):
infertile, sterile, unfertileFrom the ODE community, based on WordNetadd/edit