Something that impedes or prevents entry or passage:bar, barricade, barrier, block, clog, hamper, hindrance, hurdle, impediment, obstacle, obstruction, snag, stop, traverse, wall. See help, open Roget's II The New Thesaurus Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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