/ Dictionary / Index S sapro-: Meaning and Definition of Find definitions for: sapro- Pronunciation: [key] a combining form meaning “rotten,” used in the formation of compound words: saprogenic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sapremia saprobe Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language