Synonyms of germ-free

2 Syllables
stainless, spotless, snowy, taintless
3 Syllables
unsoiled, unstained, untainted, unsullied, purified, pristine, sterile, hygienic, refined, unspotted
4 Syllables
wholesome, untarnished, sanitary, uncreative, disinfected, sanitized, unprolific, undebased, antiseptic, pasteurized, sterilized, germicidal, unblemished, unpolluted
5 Syllables
salutiferous, uninventive, antibacterial, bactericidal, intemerate, immaculate
6 Syllables
unadulterated