Upper-Intermediate 📚 Vocabulary · #64 of 1319

crucial (adj.)

extremely important

Examples

  • Sleep is crucial for health.

Key rules

  • Crucial means extremely important, essential for success
  • Crucial to + noun: crucial to the plan
  • Crucially is the adverb

Common mistakes

  • It is crucial important → It is crucial

Use cases

  • Describing key steps
  • Writing about health
  • Explaining decisions
💡 Tip: Crucial is stronger than important and is often used in planning and decisions.
Practise this topic in the appPractise Upper-Intermediate quiz
← contemporary (adj.)diminish (v.) →

Related Upper-Intermediate topics

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ambiguous (adj.)

having more than one possible meaning

coherent (adj.)

logical and well organised

compelling (adj.)

very convincing or interesting

contemporary (adj.)

belonging to the present time

diminish (v.)

to become or make smaller

elaborate (v.)

to give more detail