crucial
Americanadjective
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involving an extremely important decision or result; decisive; critical.
a crucial experiment.
- Synonyms:
- significant, essential, vital, momentous
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severe; trying.
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of the form of a cross; cross-shaped.
adjective
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involving a final or supremely important decision or event; decisive; critical
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informal very important
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slang very good
Usage
What does crucial mean? Crucial means extremely important or involving an extremely important decision or course of action. Close synonyms are critical and decisive.The word crucial is usually used to describe pivotal moments, choices, or actions that will affect everything that follows, as in We’re at a crucial point in the process—we need to make some big decisions. Sometimes, crucial is simply used to describe something that’s extremely important, as in Getting enough sleep is crucial for staying healthy. Example: I can’t express how absolutely crucial it is to surround yourself with the right friends.
Other Word Forms
- cruciality noun
- crucially adverb
- noncrucial adjective
- noncrucially adverb
- precrucial adjective
Etymology
Origin of crucial
First recorded in 1700–10; from Latin cruci- (stem of crux cross ( def. ) ) + -al 1 ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
For Danni and Jordan, there were three crucial steps to reconciling: not being defensive, realising their reconciliation might take time, and understanding there needed to be boundaries.
From BBC
That is why this final feels so crucial for Djokovic - and that could provide the fuel to fire him to crowning glory.
From BBC
Two West Indian bowlers, playing for the only time in the series, played crucial roles.
From Barron's
Saving the treaty is crucial for Mexico, which sends over 80 percent of its exports north of the border.
From Barron's
"By weighing these planets for the first time, we have provided the first observational proof. They are indeed exceptionally 'puffy,' which gives us a crucial, long-awaited benchmark for theories of planet evolution."
From Science Daily
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
