an·ti·sep·tic 
(ăn′tĭ-sĕptĭk)
(ăn′tĭ-sĕptĭk)adj.
1.
a. Capable of preventing infection by inhibiting the growth of infectious agents.
b. Devoid of infectious agents; aseptic.
c. Of or associated with the use of antiseptics.
2.
a. Devoid of enlivening or enriching qualities: "This is ... not at all lighthearted or amiable music. In fact, the tone is unremittingly sober and antiseptic" (Donal Henahan).
b. Free of disturbing or unpleasant features; sanitized: an antiseptic version of history.
n.
A substance that prevents infection by inhibiting the growth of infectious agents.
an′ti·septi·cal·ly adv.