Definition of guardrailnext
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

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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 Each answer provided a deeper view into the guardrail and its limits. Dan Goodin, ArsTechnica, 18 Aug. 2026 According to Wolff, the system includes guardrails intended to keep client data separated and support the security and reliability of the platform. Ethan M. Stone, USA Today, 18 Aug. 2026 And the firm has been a key voice on AI policy, successfully pushing the administration to remove many safety guardrails on the use of the technology, Bloomberg News has reported. Josh Sisco, Fortune, 17 Aug. 2026 Rivian is trying to catch up to — and then surpass — Tesla’s FSD (Supervised) capabilities, but with additional safety guardrails that the Elon Musk company doesn’t use. Michael Wayland, CNBC, 15 Aug. 2026 See All Example Sentences for guardrail
Recent Examples of Synonyms for guardrail
Noun
  • In one shot of Kidman leaning against the railing of a boat, her curls took center stage, and in another photo, the Lioness actress posed in a blue bikini in a hot tub, her hair tied up in a top knot.
    Rachel Burchfield, InStyle, 19 Aug. 2026
  • Paper wasps build nests under eaves, benches and fence railings and will sting if disturbed.
    Tim Johnson, Chicago Tribune, 15 Aug. 2026
Noun
  • Meanwhile, the side rails of the ship bend like ring ropes when Batman’s thrown into them.
    Daniel Dockery, Vulture, 24 Aug. 2026
  • Proposals include increasing trade through Omani ports outside of the Persian Gulf, expanding or doubling pipelines in Saudi Arabia and elsewhere, and developing new rail links, the officials said.
    Arkansas Online, Arkansas Online, 23 Aug. 2026

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Cite this Entry

“Guardrail.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/guardrail. Accessed 26 Aug. 2026.

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