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
Ten years ago, several sites, including YouTube and Tumblr, also lacked guardrails and only added meaningful parental controls in recent years.
—
Annabelle Canela, Parents, 12 Sep. 2025
Additional key bills that await the governor’s signature include artificial intelligence and law enforcement guardrails.
—Amelia Wu, Sacbee.com, 12 Sep. 2025
This guardrail allows staff to focus on high-value problem-solving that builds lasting customer loyalty.
—Expert Panel®, Forbes.com, 11 Sep. 2025
Above, guardrails on all four sides of the bed prevent any fall risks.
—Kate McGregor, Architectural Digest, 10 Sep. 2025
See All Example Sentences for guardrail
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Annabelle Canela, Parents, 12 Sep. 2025
Additional key bills that await the governor’s signature include artificial intelligence and law enforcement guardrails.
—Amelia Wu, Sacbee.com, 12 Sep. 2025
This guardrail allows staff to focus on high-value problem-solving that builds lasting customer loyalty.
—Expert Panel®, Forbes.com, 11 Sep. 2025
Above, guardrails on all four sides of the bed prevent any fall risks.
—Kate McGregor, Architectural Digest, 10 Sep. 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 17 Sep. 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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