---
title: "Biding Meaning: 必定 (bìdìng) Means “surely”"
description: "必定 (bìdìng) means “surely; certainly”. Hear its tones, see what 必 and 定 each mean and a real sentence that uses it."
canonical: "https://mandarinthewild.com/meaning/biding"
published: "2026-10-21"
updated: "2026-11-06"
author: "Mandarin The Wild"
---

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

# What does 必定 mean?

猫头鹰māotóuyīngowl

必定 bìdìng

## surely; certainly

## Its characters

1. 必 bì certainly
2. 定 dìng certainly

## In a sentence

他这么努力，必定会成功。 He works so hard; he will surely succeed.

唐僧道：“既然这法子是她传给我的，她**必定**也会念。

From [紧箍咒 · The Tightening Spell](https://mandarinthewild.com/library/read/the-tightening-spell-journey-to-the-west-advanced-chinese-11#library-word-1036-1038)

[More about 必定](https://mandarinthewild.com/words/%E5%BF%85%E5%AE%9A)

## More words with 必 or 定

- [安定 āndìng](https://mandarinthewild.com/meaning/anding)
- [必不可少 bìbùkěshǎo](https://mandarinthewild.com/meaning/bibukeshao)
- [必将 bìjiāng](https://mandarinthewild.com/meaning/bijiang)
- [必然 bìrán](https://mandarinthewild.com/meaning/biran)
- [必须 bìxū](https://mandarinthewild.com/meaning/bixu)
- [必要 bìyào](https://mandarinthewild.com/meaning/biyao)
- [不必 bùbì](https://mandarinthewild.com/meaning/bubi)
- [不定 bùdìng](https://mandarinthewild.com/meaning/buding)
- [裁定 cáidìng](https://mandarinthewild.com/meaning/caiding)
- [奠定 diàndìng](https://mandarinthewild.com/meaning/dianding)

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