Definition of crucial
- She played a crucial role in the negotiations.
- the crucial game of a series
Vitamins are crucial for maintaining good health.
It's crucial that we arrive before 8 o'clock.
Teachers are crucial to the success of the school.
She played a crucial role in the meeting.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'crucial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: extremely important
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