Very clean; aseptic.
Of, or relating to antisepsis, or the use of antiseptics.
Free of unpleasantness; prim, sanitized or bowdlerized.
Capable of preventing microbial infection.
Any substance that inhibits the growth and reproduction of microorganisms. Generally includes only those that are used on living objects (as opposed to disinfectants) and aren't transported by the lymphatic system to destroy bacteria in the body (as opposed to antibiotics).
Very clean; very innocent.