---
title: "Laogu Meaning: 牢固 (láogù) Means “firm”"
description: "牢固 (láogù) means “firm; secure; solid”. Hear its tones, see what 牢 and 固 each mean and a real sentence that uses it."
canonical: "https://mandarinthewild.com/meaning/laogu"
published: "2026-10-21"
updated: "2026-11-06"
author: "Mandarin The Wild"
---

[What does it mean in Chinese?](https://mandarinthewild.com/meaning)

# What does 牢固 mean?

猫头鹰māotóuyīngowl

牢固 láogù

## firm; secure; solid

## Its characters

1. 牢 láo firm
2. 固 gù solid

## In a sentence

这座桥修得很牢固。 This bridge is built very solidly.

[More about 牢固](https://mandarinthewild.com/words/%E7%89%A2%E5%9B%BA)

## More words with 牢 or 固

- [巩固 gǒnggù](https://mandarinthewild.com/meaning/gonggu)
- [固定 gùdìng](https://mandarinthewild.com/meaning/guding)
- [固然 gùrán](https://mandarinthewild.com/meaning/guran)
- [固体 gùtǐ](https://mandarinthewild.com/meaning/guti)
- [牢记 láojì](https://mandarinthewild.com/meaning/laoji)
- [牢牢 láoláo](https://mandarinthewild.com/meaning/laolao)
- [稳固 wěngù](https://mandarinthewild.com/meaning/wengu)

## Keep 牢固 for Review

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