Thesaurus results for GUARDRAIL

guardrail

noun

ˈgärd-ˌrāl

as in railing

a protective barrier consisting of a horizontal bar and its supports the car ran off the road, but fortunately only hit the guardrail

Synonyms & Similar Words

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Example Sentences

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.

Recent Examples of guardrail As the technology’s ability to mimic human speech and emotions advances, researchers and clinicians are pushing for mandatory guardrails to ensure that AI systems cannot cause psychological harm. —

IEEE Spectrum, 6 May 2026 First, set clear guardrails for high-risk uses of AI — such as health care, elections, surveillance and financial systems. —

Kaitlyn Schallhorn, Oc Register, 4 May 2026 When stopping by the roadside is your only option, position your vehicle as far off the road as possible, ideally beyond guardrails. —

Bay Area Weather Report, Mercury News, 4 May 2026 Weaker guardrails on military AI Google is not the first AI company to sign a Pentagon deal that critics say falls short on these two issues, but legal experts say its contract appears to be the most permissive yet. —

Beatrice Nolan, Fortune, 4 May 2026 See All Example Sentences for guardrail

Recent Examples of Synonyms for guardrail

Noun

With a rustic oak wood base and sleek iron railing, this one won’t be an eyesore on your counter.

— Alicia Geigel, Southern Living, 5 May 2026
As the first block was hoisted, Alemani darted to the railing to take a picture.

— Julian Lucas, New Yorker, 4 May 2026