Definition of jus cogens in English:

jus cogens

noun

Law
  • [mass noun] The principles which form the norms of international law that cannot be set aside.

    • ‘Jus cogens may, therefore, operate to invalidate a treaty or agreement between states to the extent of the inconsistency with any such principles or norms.’
    • ‘In particular, questions relating to the ‘why’ of jus cogens are tricky to answer.’

Origin

Latin, literally compelling law.

Pronunciation:

jus cogens

/ˌdʒʌs ˈkəʊdʒɛnz/