the crux

noun

: the most important part of something (such as a problem, issue, puzzle, etc.)
usually + of
The crux of the matter is that people are afraid of change.
It's taken a while to get to the crux of the problem, but I think I finally understand it.

Examples of the crux in a Sentence

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.
This is really the crux of the issue. Brian Moylan, Vulture, 30 Apr. 2026 The conversation, Alexander notes, speaks to the crux of what the show has tried to do over its seven decades on air. Alexandra Schonfeld, PEOPLE, 29 Apr. 2026 All of that is just words if the crux of the car itself isn’t solid. New Atlas, 27 Apr. 2026 The desire to merge audiences — younger viewers for the mainstream news groups and broader audiences for the digital upstarts — is at the crux of many of these new agreements, which are expected to get more ambitious as time progresses. Brian Steinberg, Variety, 20 Apr. 2026 See All Example Sentences for the crux

Browse Nearby Words

Cite this Entry

“The crux.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20crux. Accessed 1 May. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster