obstacle, blockade, roadblock, obstruction; see barrier.
obstruct, block, fortify; see bar 1.
"barricade." YourDictionary, n.d. Web. 14 January 2019. <https://thesaurus.yourdictionary.com/barricade>.
barricade. (n.d.). Retrieved January 14th, 2019, from https://thesaurus.yourdictionary.com/barricade
Something that impedes or prevents entry or passage:
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