crucial (B2)

adjective

Pronunciation: /ˈkruːʃəl/

Definition

Extremely important or significant, especially in determining the success or failure of something.

Examples

• Getting enough sleep is crucial for maintaining good health.

• The final exam is a crucial part of your overall grade in the course.

• It is crucial that we act quickly to prevent further damage.

How to Use crucial

crucial for (prepositional phrase)

essential for a purpose or outcome — "Communication is crucial for a healthy relationship."

crucial to (prepositional phrase)

essential to something's existence or success — "His support was crucial to her recovery."

it is crucial that (collocation)

emphasizing the necessity of an action — "It is crucial that all safety procedures are followed."

Synonyms of crucial

Words with a similar meaning to crucial:

• important
• essential
• vital
• critical
• pivotal

Antonyms of crucial

Words with the opposite meaning to crucial:

• unimportant
• insignificant

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