The word "crux" in English means: The most important or difficult part of a problem or issue., A particular point that is very important because everything else depends on it..
The phonetic transcription of "crux" is /krʌks/ in British English and /krʌks/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "crux": core, essence, heart, nub.
Example usage of "crux": "The crux of the matter is money.". More examples on the page.