Nearby Words

crucial

[kroo-shuhl] Origin

cru·cial

[kroo-shuhl]
adjective
1.
involving an extremely important decision or result; decisive; critical: a crucial experiment.
2.
severe; trying.
3.
of the form of a cross; cross-shaped.

Origin:
1700–10; < Latin cruci- (stem of crux) cross + -al1

cru·ci·al·i·ty [kroo-shee-al-i-tee, kroo-shal-] , noun
cru·cial·ly, adverb
non·cru·cial, adjective
non·cru·cial·ly, adverb
pre·cru·cial, adjective


1. momentous, vital, essential, significant.

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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Crucial is an LSAT word you need to know.
So is preclude. Does it mean:
the expression of a simulated or real doubt, as about where to begin or what to do or say
prevent the presence, existence, or occurrence of
Collins
World English Dictionary
crucial (ˈkruːʃəl)
 
adj
1.  involving a final or supremely important decision or event; decisive; critical
2.  informal very important
3.  slang very good
 
[C18: from French, from Latin cruxcross]
 
'crucially
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

crucial
1706, from Fr. crucial, a medical term for ligaments of the knee (which cross each other), from L. crux (gen. crucis) "cross." The meaning "decisive, critical" is extended from a logical term, Instantias Crucis, adopted by Francis Bacon (1620); the notion is of cross fingerboard signposts at forking
EXPAND
roads, thus a requirement to choose.
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
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