/ Thesaurus / S Synonyms of security blanket Find synonyms for: Noun1. security blanket, thingusage: anything that an adult person uses to reduce anxiety2. security blanket, blanket, coverusage: a blanket (or toy) that a child carries around in order to reduce anxietyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language