6
aseptic
5
antiseptic(adjective, clean, uncontaminated, sterilizing)
4
antibiotic
4
hygienic(adjective, clean, sterilizing)
4
sanitary(adjective, clean, pure, bleak, wholesome)
4
sterile(adjective, clean, pure, wholesome, unpolluted)
3
abacterial
3
disinfectant
3
disinfected(adjective, clean, pure, dead, bleak)
3
pure(adjective, clean, wholesome, unpolluted, unadulterated)
3
salubrious
2
clean(adjective, pure, bleak, wholesome, unpolluted)
2
sterilized(adjective, clean, pure, bleak, wholesome)
2
unpolluted(adjective, clean, pure, healthy, wholesome)
1
completely clean
1
intemerate(adjective, clean, refined, wholesome, unpolluted)
1
pasteurized(adjective, clean, dead, refined, bleak)
1
pristine(adjective, clean, refined, wholesome, unpolluted)
1
purified(adjective, clean, pure, healthy, refined)
1
refined(adjective, clean, wholesome, unpolluted, unadulterated)
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APASmart Define. (2015). germ-free thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/germ-free/thesaurus/synonyms
ChicagoSmart Define. 2015. "germ-free thesaurus" https://smartdefine.org/germ-free/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, germ-free thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/germ-free/thesaurus/synonyms>.
MLASmart Define. "germ-free thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/germ-free/thesaurus/synonyms>