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

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 But growth without guardrails comes at a cost. Christopher McFadden, Interesting Engineering, 30 Apr. 2026 The House sent its three-year extension of section 702 to the Senate on Wednesday, which included oversight guardrails and penalties for abuses of the spy program. Hailey Bullis, The Washington Examiner, 30 Apr. 2026 The bill passed by the House includes some guardrails on federal immigration agents that lawmakers agreed on earlier this year, according to Politico. Chantelle Lee, Time, 30 Apr. 2026 The difference in the two companies’ approaches to cybersecurity mirrors much of the wider debate in the world of AI, where the technology has been advancing much more quickly than legal, regulatory and social guardrails. Hadas Gold, CNN Money, 29 Apr. 2026 See All Example Sentences for guardrail
Recent Examples of Synonyms for guardrail
Noun
  • Stack the flowers from floor to ceiling, using tables, railings, and hooks to make full use of your space.
    Brandee Gruener, Southern Living, 30 Apr. 2026
  • Chonkers barking, with a crowd gathered around the railing.
    Samantha Agate, Fort Worth Star-Telegram, 29 Apr. 2026
Noun
  • Mamdani’s push to develop Sunnyside Yard is the boldest plan for Queens in a generation — a chance to deck over 180 acres of rail tracks and build housing, parks, and economic opportunity at scale.
    Peter Peyser, New York Daily News, 26 Apr. 2026
  • The gate opens and the entire field dashes for the rail, all coming down on top of the 1-hole starter.
    Los Angeles Times, Los Angeles Times, 26 Apr. 2026

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Cite this Entry

“Guardrail.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/guardrail. Accessed 2 May. 2026.

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