1. Of, relating to, or producing antisepsis. 2. Capable of preventing infection by inhibiting the growth of microorganisms. 3. Thoroughly clean; aseptic. See synonyms at clean. 4. Of or associated with the use of antiseptics. 5a. 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.
NOUN:
A substance that inhibits the growth and reproduction of disease-causing microorganisms.
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