B2adjective1K

Crucial

UK /["/ˈkruːʃl/"]/US /["/ˈkruːʃl/"]/

Definition

extremely important, because it will affect other things

In simple words: very important

Examples

  • It is crucial to finish your homework before the deadline.
  • Understanding the basic concepts is crucial for mastering the subject.
  • His experience in the industry proved to be a crucial factor in landing the job.
  • Effective communication is crucial in maintaining relationships.
  • During the meeting, she made a crucial point that changed everyone's opinion.

Usage notes

Use 'crucial' for situations that are significantly important, especially in formal contexts. Avoid using it in casual conversations where simpler words like 'important' might fit better.

Grammar pattern

standalone adjective

Memory hint

Think of 'crucial' as the 'crucible' of importance—it's where it all happens.

Collocations

  • be
  • prove
  • seem
  • really
  • very
  • absolutely
  • for
  • to

Synonyms

  • critical, essential

Antonyms

  • unimportant
  • trivial
  • insignificant

Common mistakes

  • Using 'crucial' in place of 'critical' in all contexts.
  • Saying 'crucial for to' instead of just 'crucial for'.
  • Confusing 'crucial' with 'crucifix'.