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.
Social media platforms scrambled to address the issue with their own fixes: Instagram, for instance, set new guardrails for teen users. Andrew R. Chow, TIME, 30 Dec. 2024 Yet, apparently, there are still ways for parents to set guardrails before handing over the keys to the online kingdom. Daniel De Visé, USA TODAY, 26 Dec. 2024 In 2025 and beyond, more workplaces will lean on AI tools for their DEI efforts but AI tools must have guardrails and continue to evolve; more conversations about the bias and anti-blackness baked into AI systems are necessary. Janice Gassam Asare, Forbes, 23 Dec. 2024 Many tech agencies will remain underfunded despite having more work than ever to spearhead research, set up guardrails for powerful AI models, and launch litigation against tech giants. Maria Curi, Axios, 17 Dec. 2024 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 6 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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