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
Here’s why some Republicans are urgently calling for a special session to establish guardrails.
—
Matthew Kelly,
Kansas City Star,
2 July 2026
But the next governor of Florida could play a key role in determining the extent to which there are guardrails around the industry, and the spending makes clear who the political action committees and their donors see as their best bet for governor.
—
Claire Heddles,
Miami Herald,
2 July 2026
But with open source models, these classifiers can easily be stripped away and the guardrails that might be trained into a model can also easily be jailbroken.
—
Jeremy Kahn,
Fortune,
2 July 2026
Baking security, compliance and guardrails into new technology initiatives from the start is a big part of what AI Centers of Excellence are designed to accomplish.
—
Saeed Amidi,
Forbes.com,
2 July 2026
See All Example Sentences for guardrail
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Matthew Kelly,
Kansas City Star,
2 July 2026
But the next governor of Florida could play a key role in determining the extent to which there are guardrails around the industry, and the spending makes clear who the political action committees and their donors see as their best bet for governor.
—
Claire Heddles,
Miami Herald,
2 July 2026
But with open source models, these classifiers can easily be stripped away and the guardrails that might be trained into a model can also easily be jailbroken.
—
Jeremy Kahn,
Fortune,
2 July 2026
Baking security, compliance and guardrails into new technology initiatives from the start is a big part of what AI Centers of Excellence are designed to accomplish.
—
Saeed Amidi,
Forbes.com,
2 July 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 5 Jul. 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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