/ Thesaurus / R Synonyms of root beer float Find synonyms for: Noun1. root beer float, ice-cream soda, ice-cream float, floatusage: an ice-cream soda made with ice cream floating in root beerWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language