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

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 The unreinforced masonry building was moderately damaged in the 1989 Loma Prieta earthquake, but rebuilt, along with two other fire district stations, in 1998. John Orr, The Mercury News, "Fire district buying property next to Station 3 in Atherton," 7 June 2017 The combination of a shallow fault and old, unreinforced masonry buildings led to widespread devastation in the earthquake that struck central Italy early Wednesday. Dan Bilefsky And Henry Fountain, New York Times, "Powerful Earthquake Strikes Central Italy," 24 Aug. 2016

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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The first known use of unreinforced was in 1837

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