Definition of crucial
1 archaic : cruciform
2a : important or essential as resolving a crisis : decisive <She played a crucial role in the negotiations.>b : marked by final determination of a doubtful issue <the crucial game of a series>c : important, significant < … what use we make of them will be the crucial question. — Stanley Kubrick> <Vitamins are crucial for maintaining good health.>
Examples of crucial in a sentence
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.
Origin and Etymology of crucial
French, from Latin cruc-, crux cross
First Known Use: 1706
Synonym Discussion of crucial
CRUCIAL Defined for English Language Learners
Definition of crucial for English Language Learners
: extremely important
CRUCIAL Defined for Kids
Seen and Heard
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