Meaning & use
guardrail
A protective barrier that prevents vehicles or people from falling off an edge or straying into danger.
See it in a sentence
The car skidded but was stopped by the guardrail along the mountain road.
New guardrails were installed along the balcony after the safety inspection.
A note on using this word
Increasingly used figuratively for rules or limits that keep a plan, policy, or behavior from going wrong.
Words with a similar meaning
barrierrailing
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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