/ Thesaurus / L Synonyms of life buoy Find synonyms for: Noun1. life buoy, lifesaver, life belt, life ring, life preserver, preserver, flotation deviceusage: a life preserver in the form of a ring of buoyant materialWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: imprudent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language