antiseptic

Etymology

From anti- + septic.

adj

1. Of, or relating to antisepsis, or the use of antiseptics.
2. (pharmacology) Capable of preventing microbial infection.
3. Very clean; aseptic.
4. Free of unpleasantness; prim, sanitized or bowdlerized.
   Forget all those Christmas cards with their ideal scenarios and antiseptic smiles. Stables are filthy and they stink[…] 2001, John Allen, A Touch of Uncertainty

noun

1. (pharmacology) 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).