guardrail

noun

guard·​rail ˈgärd-ˌrāl How to pronounce guardrail (audio)
: a railing guarding usually against danger
especially : a barrier placed along the edge of a highway at dangerous points

Examples of guardrail in a Sentence

the car ran off the road, but fortunately only hit the guardrail
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For now, that personal poignancy and cutting-edge tech can comfortably coexist at the Grammys, which will play a major role to set guardrails of what writing, performing and recording music fundamentally means today. August Brown, Los Angeles Times, 24 Jan. 2025 Could lawmakers copy 2019 maneuver to adjust ‘fiscal guardrails’? Keith M. Phaneuf, Hartford Courant, 23 Jan. 2025 Within hours after returning to the White House, Mr. Trump made a symbolic mark on the future of artificial intelligence by repealing Biden's guardrails for the fast-developing technology. Aimee Picchi, CBS News, 22 Jan. 2025 But there also is worry that AI will trigger massive job displacement, as was expressed when the Senate held a series of forums featuring experts, executives, union leaders and others, including Musk and Altman, with the purpose of establishing guardrails around the new technology. Ted Johnson, Deadline, 22 Jan. 2025 See all Example Sentences for guardrail 

Word History

First Known Use

1860, in the meaning defined above

Time Traveler
The first known use of guardrail was in 1860

Dictionary Entries Near guardrail

Cite this Entry

“Guardrail.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/guardrail. Accessed 29 Jan. 2025.

Kids Definition

guardrail

noun
guard·​rail ˈgär-ˌdrāl How to pronounce guardrail (audio)
: a protective railing placed along dangerous areas (as of a road)
Last Updated: - Updated example sentences
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