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
The district’s disparate parts would be connected largely by two-lane highways cutting through steep slopes of places such as the Modoc National Forest, where nervous drivers must beware of a lack of guardrails.
—
David Mark, The Washington Examiner, 5 Sep. 2025
Within scientific branches of government, the currency of checks and balances has always been data; Kennedy and his allies have forcibly dismantled those guardrails.
—Katherine J. Wu, The Atlantic, 5 Sep. 2025
The driver lost control of the car and then crashed into the guardrail.
—Lillie Davidson, Fort Worth Star-Telegram, 5 Sep. 2025
The complaint also alleges that Midjourney recently eliminated guardrails that blocked users from creating videos that infringe on its IP.
—Gene Maddaus, Variety, 4 Sep. 2025
See All Example Sentences for guardrail
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David Mark, The Washington Examiner, 5 Sep. 2025
Within scientific branches of government, the currency of checks and balances has always been data; Kennedy and his allies have forcibly dismantled those guardrails.
—Katherine J. Wu, The Atlantic, 5 Sep. 2025
The driver lost control of the car and then crashed into the guardrail.
—Lillie Davidson, Fort Worth Star-Telegram, 5 Sep. 2025
The complaint also alleges that Midjourney recently eliminated guardrails that blocked users from creating videos that infringe on its IP.
—Gene Maddaus, Variety, 4 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 11 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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