/ Thesaurus / S Synonyms of sponge on Find synonyms for: Verb1. sponge on, put on, applyusage: apply with a sponge; "The painter sponged on his washes"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language