guardrail

noun

guard·​rail ˈgärd-ˌrāl How to pronounce guardrail (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Conclusion As businesses scale their operations globally, guardrails must be adaptable to various regulatory environments. Hemant Madaan, Forbes, 13 Dec. 2024 By dividing responsibilities between the primary chatbot and the guardrail model, the system maintains higher precision and reliability. Time Staff, TIME, 11 Dec. 2024 Others who are a little bit more cautious in their approach and believe that there should be safety measures and guardrails put around AI. Lauren Goode, WIRED, 5 Dec. 2024 Lawmakers are laying the groundwork for another crack at 340B reform next year, even as more states are setting their own guardrails and drugmakers are restricting where hospitals and clinics can use their program discounts. Victoria Knight, Axios, 5 Dec. 2024 See all Example Sentences for guardrail 

Word History

First Known Use

1860, in the meaning defined above

Time Traveler
The first known use of guardrail was in 1860

Dictionary Entries Near guardrail

Cite this Entry

“Guardrail.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/guardrail. Accessed 21 Dec. 2024.

Kids Definition

guardrail

noun
guard·​rail ˈgär-ˌdrāl How to pronounce guardrail (audio)
: a protective railing placed along dangerous areas (as of a road)
Last Updated: - Updated example sentences
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