Breadcrumb Home > Thesaurus > R Synonyms of roadblock Find synonyms for: Noun 1. barrier, roadblock, obstacle, obstruction usage: any condition that makes it difficult to make progress or to achieve an objective; "intolerance is a barrier to understanding" 2. roadblock, barricade, barrier usage: a barrier set up by police to stop traffic on a street or road in order to catch a fugitive or inspect traffic etc. WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of roadblock (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: triumphalism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language