Meaning & use

guardrail

noun·Everyday

Last updated

UK/ˈɡɑːdreɪl/
US/ˈɡɑːrdreɪl/

Meanings

  1. nouncountable

    A strong metal or wooden barrier along the edge of a road, bridge, or platform that keeps vehicles or people from going off.

    Grammar: Countable: use 'a guardrail' or 'guardrails'.

    Patterns

    • a guardrail along the road
    • hit the guardrail

    The car skidded and hit the guardrail.

    Workers are installing a new guardrail on the bridge.

  2. nouncountablefigurative

    A rule or limit that stops a plan, system, or behavior from going too far or causing harm.

    Grammar: Often used in the plural: 'guardrails' for a set of rules.

    Patterns

    • put guardrails in place
    • legal guardrails

    The new law adds guardrails to protect consumers.

    We need guardrails to keep the project on track.

Word forms

pluralguardrails

Common combinations

metal guardrail
The metal guardrail was bent in the crash.
along the guardrail
We walked along the guardrail to the viewing point.
install a guardrail
The city will install a guardrail at the dangerous curve.
safety guardrail
A safety guardrail prevents falls from the platform.

Synonyms and how they differ

barrier
A barrier is a general word for anything that blocks movement; a guardrail is specifically a rail along an edge.
crash barrier
Crash barrier is the British term for a strong barrier on a road; guardrail is more common in American English.

Word family

guard verb
To protect or watch over.
rail noun
A horizontal bar, often part of a fence or track.

Commonly confused: guardrail or handrail?

guardrail vs handrail

A handrail is for people to hold onto on stairs, while a guardrail is a safety barrier along a road or edge.

Practice

The car veered off the road and smashed into the ______.

Make it your own

Write a sentence using “guardrail”, then check it and compare it with the examples above.

Your sentence stays on this page and is not sent anywhere.

Explore more words