guardrail

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guardrail

  • /ˈɡɑɹdˌɹeɪl/ US

Where it comes from

From guard + rail.

noun guardrails · guard rail

  1. A rail set alongside a dangerous place as a barrier, to improve safety.

    Similar: guard railing, guide board, guide rail, side rail

  2. Canada, US A strengthened barrier installed on the sides of a (usually major) road to keep vehicles on the highway and reduce the risk and/or impact of crashes.

    Similar: guard railing, guide board, guide rail, side rail, crash barrier, traffic barrier

  3. broadly, figuratively Any barrier designed to prevent accidents or mistakes. Set guardrails on Visual Studio Live Share We’ve heard from Live Share users that they want to use Live Share in their organization, but without controls to prevent individuals from outside their company domain joining Live Share sessions, they’re blocked. We are excited that this and many other req
  4. Synonym of check rail.

    Similar: check rail

Translations

Every language

noun figurative: any barrier designed to prevent accidents or mistakes

DeutschLeitplanke, Leitlinie

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Cite this
MLA

"guardrail." Wiktionary, via Micwyn, micwyn.com/word/guardrail. Accessed 6 Nov. 2026.

APA

guardrail. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/guardrail

Chicago

"guardrail." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/guardrail.

BibTeX
@misc{guardrail_2026,
  title = {guardrail},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/guardrail},
  urldate = {2026-11-06}
}