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

Relevance

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 Weeks before Hegseth issued his ultimatum, Amodei opined on his website about the risks involved with precisely the two guardrails the Pentagon is targeting. Will Gottsegen, The Atlantic, 26 Feb. 2026 At the same time, the Pentagon has threatened to invoke the Defense Production Act to force Anthropic to remove its guardrails. Shannon Bond, NPR, 26 Feb. 2026 But the company’s insistence on guardrails have continued to be a source of contention between Anthropic and the Defense Department. Jared Perlo, NBC news, 25 Feb. 2026 Or at least put guardrails around it. Angela Palermo, Idaho Statesman, 25 Feb. 2026 See All Example Sentences for guardrail
Recent Examples of Synonyms for guardrail
Noun
  • The interiors are also full of striking contrasts, with maple wood paneling playing against iron-beam ceilings and glass railings.
    Demetrius Simms, Robb Report, 25 Feb. 2026
  • The first-floor entrance lobby and six-story atrium, including terrazzo floors, concrete walls, skylights and brass railings, are also recommended for protection and not to be altered.
    Everton Bailey Jr, Dallas Morning News, 19 Feb. 2026
Noun
  • At this point, the show really goes off the rails.
    Patrick R. Crowley, Artforum, 1 Mar. 2026
  • And with Brightline high-speed rail now connecting Orlando to Miami, already preparing for 2026 matches, and our new global flights to Orlando International Airport, our infrastructure is even stronger.
    Letters to the Editor, The Orlando Sentinel, 1 Mar. 2026

Browse Nearby Words

Cite this Entry

“Guardrail.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/guardrail. Accessed 6 Mar. 2026.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster