/ Dictionary / Index S septic: Meaning and Definition of Find definitions for: sep•tic Pronunciation: (sep'tik), [key] — adj. Pathol. pertaining to or of the nature of sepsis; infected. putrefactive. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: septic (Thesaurus) septi- septicemia Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language