未必

wèi bì

HSK 2.0 Level 5 HSK 3.0 Level 6 Adverb Uncommon

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Definitions

1. not necessarily
2. maybe not

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Word relationships

Antonyms

1 item

• 必然 bì rán 必然 bì rán inevitable 未必表示不肯定，必然表示肯定无疑。: inevitable

Related words

1 item

• 说不定 shuō bu dìng 说不定 shuō bu dìng can't say for sure 说不定也表示可能性，但侧重于可能发生，与未必侧重不可能相对。: can't say for sure

Usage notes

Formality

多用于书面语或正式口语，随意对话中常换用“不一定”。

Grammar

Guides that feature 未必

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1 guide

HSK 2.0 Level 6+ HSK 3.0 Level 6+ 8 min

Uncertainty with 未必

Use 未必 for cautious HSK 6 disagreement and probability judgments.

Reading: wèi bì Open guide

Example Sentences

2 shown

他说的 未必 是真的。

What he said may not be true.

贵的方案 未必 更好，便宜的也可能适合。

The expensive proposal is not necessarily better; the cheaper one may suit us too.

AI-generated examples are marked with this icon.

Words Containing 未必

• 小时了了，大未必佳 小时了了，大未必佳 xiǎo shí liǎo liǎo , dà wèi bì jiā: being bright at an early age does not necessarily bring success upon growing up (proverb)
• 未必见得 未必见得 wèi bì jiàn dé: not necessarily
• 空穴来风未必无因 空穴来风未必无因 kòng xué lái fēng wèi bì wú yīn: wind does not come from an empty cave without reason

Child Words of 未必

• 必 必 bì: certainly
• 未 未 wèi: not yet