Definition

1. Adjective:
   • Of the greatest importance; decisive: "Crucial" describes something that is extremely important, essential, or critical to the success or outcome of a situation.
   • Having crucial relevance: Something that is "crucial" is directly and vitally relevant to a matter at hand.
   • Of extreme importance; vital to the resolution of a crisis: "Crucial" can describe a pivotal moment or element during a critical or emergency situation.

Usage Examples

• Adjective:
  • This is a crucial decision for the future of our company.
  • Trust is a crucial component in any strong relationship.
  • The detective found a piece of crucial evidence that solved the case.
  • The next 48 hours will be crucial for the patient's recovery.

Advanced Usage

• "Crucial to something/doing something": Indicates that something is absolutely necessary for a particular outcome.

  • Teamwork is crucial to completing this project on time.
  • His testimony was crucial to securing a conviction.

• "Play a crucial role/part": To be a vital or essential element in a process or outcome.

  • Volunteers play a crucial role in the success of this charity event.

Variants and Related Words

• Crucially (adverb): In a vital or decisive manner.
  • The plan depends crucially on everyone's cooperation.

Synonyms

• Critical: Of decisive importance.
• Essential: Absolutely necessary; extremely important.
• Vital: Absolutely necessary or important; essential.
• Pivotal: Of crucial importance in relation to the development or success of something else.

Antonyms

• Insignificant: Too small or unimportant to be worth consideration.
• Trivial: Of little value or importance.
• Minor: Lesser in importance, seriousness, or significance.

Related Phrases and Idioms

• A crucial moment/point: A decisive or pivotal instant.

  • The penalty kick was a crucial moment in the match.

• Of crucial importance: Emphasizing that something is vitally important.

  • Public awareness is of crucial importance for this environmental campaign.

Adjective

1. of the greatest importance
   • the all-important subject of disarmament
   • crucial information
   • in chess cool nerves are of the essence
2. having crucial relevance
   • crucial to the case
   • relevant testimony
3. of extreme importance; vital to the resolution of a crisis
   • a crucial moment in his career
   • a crucial election
   • a crucial issue for women