/ Thesaurus / P Synonyms of prone float Find synonyms for: Noun1. dead-man's float, prone float, floating, natationusage: a floating position with the face down and arms stretched forwardWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: bibliophile Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language