/ Thesaurus / S Synonyms of security measures Find synonyms for: Noun1. security, security measures, precaution, safeguard, guardusage: measures taken as a precaution against theft or espionage or sabotage etc.; "military security has been stepped up since the recent uprising"Noun1. security, security measures, precaution, safeguard, guardusage: an electrical device that sets off an alarm when someone tries to break inWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language