guardrail
noun
guard·rail
ˈgärd-ˌrāl 
: 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
Some states have instituted requirements for websites with adult or pornographic content to verify visitors' age before granting access, although tech experts have pointed out VPNs can be used to get around those guardrails.
—
Arpan Lobo, Freep.com, 4 Oct. 2025
The content has fueled criticism that OpenAI is once again moving faster than its own guardrails.
—Mackenzie Sigalos, CNBC, 3 Oct. 2025
While authenticity and accessibility are being explored and celebrated right now in sports, the leaders in these spheres are still grappling with the direction and guardrails that may need to be put in place to ensure that athletes and fans are both protected.
—Andrew McGowan, Variety, 3 Oct. 2025
The white Chevrolet Silverado, reported stolen earlier from the Flagstaff Police Department, veered onto a guardrail before flipping multiple times and crashing into a tree.
—Emma Bussey, FOXNews.com, 2 Oct. 2025
See All Example Sentences for guardrail
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Arpan Lobo, Freep.com, 4 Oct. 2025
The content has fueled criticism that OpenAI is once again moving faster than its own guardrails.
—Mackenzie Sigalos, CNBC, 3 Oct. 2025
While authenticity and accessibility are being explored and celebrated right now in sports, the leaders in these spheres are still grappling with the direction and guardrails that may need to be put in place to ensure that athletes and fans are both protected.
—Andrew McGowan, Variety, 3 Oct. 2025
The white Chevrolet Silverado, reported stolen earlier from the Flagstaff Police Department, veered onto a guardrail before flipping multiple times and crashing into a tree.
—Emma Bussey, FOXNews.com, 2 Oct. 2025
See All Example Sentences for guardrail
Cite this Entry
“Guardrail.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/guardrail. Accessed 8 Oct. 2025.
Copy CitationKids Definition
guardrail
noun
guard·rail
ˈgär-ˌdrāl
: a protective railing placed along dangerous areas (as of a road)
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