/ Thesaurus / P Synonyms of prophylactic device Find synonyms for: Noun1. contraceptive, preventive, preventative, contraceptive device, prophylactic device, birth control device, deviceusage: an agent or device intended to prevent conceptionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language