guardrail

[gahrd-reyl]

noun

1. Also guardrailing. a protective railing, rail, railing, as along a road or stairway.

2. Railroads.,  a rail laid parallel to a track to prevent derailment or to keep derailed rolling stock from leaving the roadbed.

guardrail

/ ˈɡɑːdˌreɪl /

noun

1. a railing at the side of a staircase, road, etc, as a safety barrier

2. Also called (Brit): checkrail. railways a short metal rail fitted to the inside of the main rail to provide additional support in keeping a train's wheels on the track

Word History and Origins

Origin of guardrail¹

First recorded in 1825–35; guard + rail ¹

Example Sentences

OpenAI said it has guardrails to block the generation of well-known characters and a team of reviewers who are taking down material that doesn’t follow its updated policy.

Read more on Los Angeles Times

Amodei is an idealist who represents the historically liberal wing of Silicon Valley, concerned about unleashing AI without proper guardrails.

Read more on The Wall Street Journal

“We’ve been talking about this for a long time in putting guardrails on more ethics for lawyers,” Simon said.

Read more on Los Angeles Times

He told The Times he had concerns over the lack of guardrails for gentrification and displacement.

Read more on Los Angeles Times

But he says Mei has "guardrails" built into the AI.

Read more on BBC