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Crux in a Sentence Definition

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This shows grade level based on the word's complexity.

This shows grade level based on the word's complexity.


noun, plural crux·es, cru·ces [kroo-seez]. /ˈkru siz/.

a vital, basic, decisive, or pivotal point: The crux of the trial was his whereabouts at the time of the murder.

a cross.

something that torments by its puzzling nature; a perplexing difficulty.

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Origin of crux

1635–45; <Latin: stake, scaffold, or cross used in executions, torment; figurative senses perhaps <New Latin crux (interpretum) (commentators') torment, a difficult passage in a text; cf. crucial

Words nearby crux

Cruveilhier-Baumgarten murmur, Cruveilhier-Baumgarten sign, Cruveilhier-Baumgarten syndrome, Cruveilhier's disease, Cruveilhier's sign, crux, crux ansata, crux of heart, crux of the matter, crux pilorum, Cruyff

Other definitions for crux (2 of 2)


noun, genitive Cru·cis [kroo-sis]. /ˈkru sɪs/. Astronomy.

Origin of Crux

<Latin: a cross

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use crux in a sentence

  • In keeping with the expert consensus on decarbonization, the crux of China's odyssey is electrifying its economy as much as possible, from switching to electric vehicles to using electricity instead of coal for some industrial production.

  • That's the crux of Mulan, in which our heroine realizes, through pretending to be a perfect bride and pretending to be a perfect soldier and failing at both, that gender is ultimately performative.

  • That's the whole crux of the fight that's happening right now with Tik Tok.

  • The crux of this issue is in transitioning away from the view that work gives life meaning and life is about using work to survive, towards a view of living a life that itself is fulfilling and meaningful.

  • It seems like the neighbor cells are the crux, in addition to the encoding neurons themselves, the team explained.

  • The crux of the problem remains on this side of the Pacific.

  • The crux of the matter is not the date of the next elections, but ensuring that elections are free, fair, and clean.

  • That, he says, is at the crux of why Pope Francis wants to train more exorcists.

  • And yet, despite the banter, the crux of the issue is the feasibility of it all.

  • The crux is new representation: of body, of proportion, of aesthetic ideals.

  • The very word (crux) was used among them as a curse, especially in the form ad (malam) crucem.

  • Ah, that was it—that was the crux of the whole matter; and he remembered now that never once had she reproached him with that.

  • Priests are portrayed in adoration of the crux ansata before phallic monuments.

  • Every Sunday morning proved the crux of her experience, and Mrs. Caukins' nerves were correspondingly shaken.

  • The crux of the whole matter is not exhaustion, but a loss of control over the nervous forces.

British Dictionary definitions for crux (1 of 2)


noun plural cruxes or cruces (ˈkruːsiːz)

a vital or decisive stage, point, etc (often in the phrase the crux of the matter)

a baffling problem or difficulty

mountaineering the most difficult and often decisive part of a climb or pitch

a rare word for cross

Word Origin for crux

C18: from Latin: cross

British Dictionary definitions for crux (2 of 2)


noun Latin genitive Crucis (ˈkruːsɪs)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for crux


n. pl. crux•es

A cross or a crosslike structure.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Crux in a Sentence Definition

Source: https://www.dictionary.com/browse/crux