/ Dictionary / Index A antiseptic: Meaning and Definition of Find definitions for: an•ti•sep•tic Pronunciation: (an"tu-sep'tik), [key] — adj. pertaining to or affecting antisepsis. free from or cleaned of germs and other microorganisms. exceptionally clean or neat. free of contamination or pollution. —n. an antiseptic agent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: antiseptic (Thesaurus) antisepsis antiseptically Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language