/ Thesaurus / S Synonyms of safety rail Find synonyms for: Noun1. safety rail, guardrail, railing, railusage: a railing placed alongside a stairway or road for safetyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language