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
Who is providing the guardrails to mark the boundaries of acceptability?
—
Kamal Ahmed, Fortune, 16 Apr. 2026
Each trust would rest on three guardrails.
—Nicolas S. Rohatyn, Mercury News, 16 Apr. 2026
Inside the Capitol, lawmakers in the House heard a bill that would strengthen statewide guardrails for data center development.
—Ubah Ali, CBS News, 15 Apr. 2026
But some platforms that have implemented age verification guardrails have been met with complaints from users.
—Angela Yang, NBC news, 15 Apr. 2026
See All Example Sentences for guardrail
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Kamal Ahmed, Fortune, 16 Apr. 2026
Each trust would rest on three guardrails.
—Nicolas S. Rohatyn, Mercury News, 16 Apr. 2026
Inside the Capitol, lawmakers in the House heard a bill that would strengthen statewide guardrails for data center development.
—Ubah Ali, CBS News, 15 Apr. 2026
But some platforms that have implemented age verification guardrails have been met with complaints from users.
—Angela Yang, NBC news, 15 Apr. 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 22 Apr. 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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