crucial

adjective

cru·​cial ˈkrü-shəl How to pronounce crucial (audio)
1
a
: important, significant
… what use we make of them will be the crucial question.Stanley Kubrick
Vitamins are crucial for maintaining good health.
b
: important or essential as resolving a crisis : decisive
She played a crucial role in the negotiations.
c
: marked by final determination of a doubtful issue
the crucial game of a series
2
archaic : cruciform
Choose the Right Synonym for crucial

acute, critical, crucial mean of uncertain outcome.

acute stresses intensification of conditions leading to a culmination or breaking point.

an acute housing shortage

critical adds to acute implications of imminent change, of attendant suspense, and of decisiveness in the outcome.

the war has entered a critical phase

crucial suggests a dividing of the ways and often a test or trial involving the determination of a future course or direction.

a crucial vote

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.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Sleep Aid – Getting adequate rest is crucial for recovery. Tribune Content Agency, The Mercury News, 15 Nov. 2024 The coordination is crucial since the NRAO operates the Green Bank Observatory in West Virginia, which is home to the world’s largest fully steerable radio telescope. Michael Kan, PCMAG, 12 Nov. 2024 Striking a balance between nostalgia and innovation is crucial for the chain to remain competitive. Francisco Velasquez, Quartz, 8 Nov. 2024 Fall prevention strategies and balance training are crucial and can help reduce the risk of fractures. Jianying Zhang, Discover Magazine, 8 Nov. 2024 See all Example Sentences for crucial 

Word History

Etymology

French, from Latin cruc-, crux cross

First Known Use

1706, in the meaning defined at sense 2

Time Traveler
The first known use of crucial was in 1706

Dictionary Entries Near crucial

Cite this Entry

“Crucial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crucial. Accessed 25 Nov. 2024.

Kids Definition

crucial

adjective
cru·​cial ˈkrü-shəl How to pronounce crucial (audio)
1
: being a final or very important test or decision : decisive
the crucial game of a series
2
: very important : significant
water is a crucial element in our weather
crucially
ˈkrüsh-(ə-)lē
adverb
Etymology

from French crucial "having the form of a cross, being or involving a crisis," from Latin cruc-, crux "cross, trouble, torture" — related to cross, crucify, crux

More from Merriam-Webster on crucial

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