Vocapedia
Log inTry for Free
Log in

Looking up...

Words

  • Words of the Year
  • Recent Lookups
  • My Dictionary

Languages

  • English
  • Vietnamese
  • Japanese
  • Chinese
  • Spanish
  • French
  • Korean
  • German

Features

  • Words of the Year
  • My Collections List
  • Reviews
  • Learning Resources
  • Community Collections

Learn

  • How It Works
  • Study Guides
  • Language Tips
  • FAQ
  • Getting Started
  • For Individuals
  • For Teachers

Community

  • Forum
  • Blog
  • Help Center
  • Partnerships

About

  • About Vocapedia
  • Contact Us
  • Feedback

Legal

  • Terms of Use
  • Privacy Policy
  • Cookie Policy
  • Accessibility
  • GDPR Compliance
© 2026 Vocapedia. All rights reserved.

未必

wèi bì
adverb★Intermediate💡 not necessarily
general

Expresses doubt or uncertainty about something, often implying that the opposite might be true.

他未必会来。

He might not come.

这未必是正确的答案。

This may not be the correct answer.

💡

Often used to soften a statement or to express a cautious opinion.

Collocations

未必如此not necessarily so未必一定not necessarily certain

Synonyms

不一定不见得

Antonyms

一定必然

Related Phrases

不见得phrase
not necessarily
不一定phrase
not necessarily

💡Pro Tip

Usage in Doubtful Statements

Use '未必' when you want to express doubt or uncertainty about a situation or outcome.

⚡Gold Rule

Softening Statements

'未必' is often used to soften a statement, making it less absolute and more open to other possibilities.

📖Word Origin

Combination of '未' (not yet) and '必' (must), literally meaning 'not must' or 'not necessarily'.

📝Usage Notes

Used to express doubt or to indicate that something is not guaranteed. Often used in formal and informal contexts to soften a statement.

Word Breakdown

未
not yet
prefix
+
必
must
root
汉英词典

Learning Progress

Track your learning journey!

• Save words to build your vocabulary

• Monitor your daily streak

• Get personalized review reminders

• See words learned statistics

Log in to access advanced features and track your progress!

Go to Dashboard →

Recent Lookups

The most recent words being looked up. Stay up to date with what language learners are exploring.