/ Dictionary / Index S sponger: Meaning and Definition of Find definitions for: spong•er Pronunciation: (spun'jur), [key] — n. a person or thing that sponges. a person who habitually borrows or lives at the expense of others; parasite. a person or boat engaged in gathering sponges. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sponger (Thesaurus) sponge iron sponge rubber Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language