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English Lexicon

Crux

/krʌks/
nounCEFR C1 (Advanced)Top #8500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The decisive or most important point at issue, or the fundamental heart of a problem.

    "The crux of the matter is whether we have enough funding to complete the project on time."
  2. 2

    A difficult or puzzling problem that is hard to solve.

    "Navigating the legal ambiguities proved to be the crux of the negotiation."
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Thesaurus & Semantic Spectrum

Synonyms (3)
Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived directly from the Latin noun 'crux', meaning 'cross', which historically came to refer to a tortuous trial or a perplexing difficulty standing at a crossroads. By the 18th century in English, the term shifted metaphorically to mean the decisive or most essential point at issue.

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