Jus cogens or ius cogens Term Jus cogens or ius cogens Meaning Compelling law; refers to peremptory norms of general international law from which no derogation is permitted. Context Legal maxim in International Law More from Legal Maxims Ipso facto Jurisprudence Jus Jus civile Jus Gentium Jus in personam Jus in rem Jus naturale More from Legal Maxims