/ Dictionary / Index S sepsis: Meaning and Definition of Find definitions for: sep•sis Pronunciation: (sep'sis), [key] — n. Pathol. local or generalized invasion of the body by pathogenic microorganisms or their toxins: dental sepsis; wound sepsis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sepsis (Thesaurus) seppuku sept Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language