I. adjective 1. preventing the growth of disease-causing microorganisms. • garlic has powerful antiseptic properties.
• his breath smelt of antiseptic mouthwash.
2. scrupulously clean or pure, especially so as to be bland or characterless • their squeaky-clean home epitomizes this antiseptic respectability.
II. noun an antiseptic compound or preparation. • the inappropriate use of antiseptics.
• [ mass noun]
come into the house and have some antiseptic put on that wound.
III. derivatives antiseptically adverb