Breadcrumb Home > Thesaurus > O Synonyms of overspill Find synonyms for: Noun1. overspill, move, relocationusage: the relocation of people from overcrowded cities; they are accommodated in new houses or apartments in smaller towns2. overflow, runoff, overspill, flow, flowingusage: the occurrence of surplus liquid (as water) exceeding the limit or capacityWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of overspill (Dictionary) ✖ Related Content Daily Word Quiz: prandial Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language