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
Padilla saw a study from the United States Public Interest Research Group, where researchers tested three AI toys with a series of inappropriate questions to gauge the guardrails.
—
Noelle Harff, San Diego Union-Tribune, 29 May 2026
But most enterprises scaling the tech today are doing so absent proper guardrails.
—Jake Angelo, Fortune, 28 May 2026
This includes proving network isolation, verifying behavior, validating policy compliance and creating the guardrails to safely enable autonomous networking.
—Nikhil Handigol, Forbes.com, 28 May 2026
Set guardrails, and follow them faithfully today.
—Tarot.com, New York Daily News, 28 May 2026
See All Example Sentences for guardrail
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Noelle Harff, San Diego Union-Tribune, 29 May 2026
But most enterprises scaling the tech today are doing so absent proper guardrails.
—Jake Angelo, Fortune, 28 May 2026
This includes proving network isolation, verifying behavior, validating policy compliance and creating the guardrails to safely enable autonomous networking.
—Nikhil Handigol, Forbes.com, 28 May 2026
Set guardrails, and follow them faithfully today.
—Tarot.com, New York Daily News, 28 May 2026
See All Example Sentences for guardrail
Cite this Entry
“Guardrail.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/guardrail. Accessed 29 May. 2026.
Copy CitationKids Definition
guardrail
noun
guard·rail
ˈgär-ˌdrāl
: a protective railing placed along dangerous areas (as of a road)
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