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.
Likewise, putting strong guardrails around each of the three ages allows the designers to refine and balance certain gameplay systems to interact with each other better. Ars Technica, 3 Feb. 2025 This includes not only antitrust enforcement, but also sectoral regulation built on promoting competition while providing consumer protection guardrails. Tom Wheeler, TIME, 30 Jan. 2025 Implementing guardrails that place the human experience front and center can buffer against the negative effects of these tensions. Philip Rogiers david G. Collings, Harvard Business Review, 29 Jan. 2025 These guardrails ensure that AI's outputs remain aligned with organizational goals. Scott Hutcheson, Forbes, 22 Jan. 2025 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 8 Feb. 2025.

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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