un·​re·​in·​forced | \ ˌən-ˌrē-ən-ˈfȯrst \

Definition of unreinforced

: not reinforced unreinforced masonry unreinforced brick buildings

Examples of unreinforced in a Sentence

Recent Examples on the Web

Local researchers are anticipating a more-likely 6.7 quake, enough to kill 1,600 people if unreinforced brick buildings tumble. Mike Lindblom, The Seattle Times, "What will the Highway 99 tunnel opening mean for bus routes, detours and tsunamis? We answer those questions and more," 12 Dec. 2018 Many homes built recently are hybrids, combining traditional styles with unreinforced masonry and tile roofs too heavy for the structures when they are shaken by quakes. Elaine Kurtenbach, The Seattle Times, "Disaster undoes hard-won progress for Indonesian port city," 2 Oct. 2018 Only a single, unreinforced guardrail stood between the traffic and a ravine. Keith Bradsher, New York Times, "Free Power From Freeways? China Is Testing Roads Paved With Solar Panels," 11 June 2018 San Diego city officials passed an ordinance requiring owners of more than 800 unreinforced masonry buildings — known to do poorly in earthquakes — to strengthen them by Jan. 1, 2006. John Wilkens, sandiegouniontribune.com, "San Diego's vulnerable buildings," 13 May 2018 Save Portland Buildings formed last year in response to a proposal that would require seismic retrofitting of the city's 1,600 unreinforced brick buildings. Samantha Swindler, OregonLive.com, "Photog sneaks into doomed buildings for one last photo before they're demolished," 15 Apr. 2018 Brittle structures and unreinforced brick walls came crashing down. Elise Takahama, BostonGlobe.com, "Researchers find evidence of 1755 earthquake — at bottom of Lynn pond," 27 Mar. 2018 Today's engineers wouldn't dare build an unreinforced dome of that size. Jonathan Schifman, Popular Mechanics, "The Rock Solid History of Concrete," 12 Oct. 2017 The other, a six story rental apartment building, was apparently built in the last year atop the unreinforced structure of a decades-old four-story building. Washington Post, "Mexico official: Warnings over school ignored before quake," 29 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unreinforced.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unreinforced

1837, in the meaning defined above

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Last Updated

18 Dec 2018

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The first known use of unreinforced was in 1837

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