Definition of jus cogens in English:

jus cogens

noun

mass nounLaw
  • The principles which form the norms of international law that cannot be set aside.

    ‘In particular, questions relating to the ‘why’ of jus cogens are tricky to answer.’
    ‘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.’

Origin

Latin, literally ‘compelling law’.

Pronunciation

jus cogens

/ˌdʒʌs ˈkəʊdʒɛnz/