/ Thesaurus / D Synonyms of deadbeat dad Find synonyms for: Noun1. deadbeat dad, defaulter, deadbeatusage: a father who willfully defaults on his obligation to provide financial support for his offspringWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language