Definition of jus ad bellum in English:

jus ad bellum

Pronunciation /ˌjo͝os ad ˈbeləm/ /ˌdʒʊs æd ˈbɛləm/ /ˌyo͝os ad ˈbelo͝om/ /ˌjʊs æd ˈbɛlʊm/


  • The body of international law governing the right of one state to resort to war against another.

    ‘what triggers the application of the jus ad bellum is a use of force’
    • ‘The United States has affirmed that established jus ad bellum rules do apply to uses of force in cyberspace.’
    • ‘For the sake of good analysis , we should begin with key jus ad bellum notions such as the use or threat of force and armed attack.’
    • ‘However, the jus ad bellum was created in the aftermath of the Second World War.’
    • ‘There are three main approaches that address this problem and attempt to make cyber attacks conform to jus ad bellum norms.’
    • ‘Ad bellum norms regulate only international relations, more specifically a situation of conflict between two or more states.’
    • ‘The jus ad bellum nowadays is governed by the UN Charter and customary international law.’
    • ‘That would meet the jus ad bellum threshold for war under his view.’
    • ‘Its ability to conduct and sustain military operations might also be considered a use of force under jus ad bellum.’
    • ‘The cost of military intervention can be high: proponents must establish a legal basis, a jus ad bellum for action.’
    • ‘Although the course is mainly human rights oriented, other international legal frameworks such as jus ad bellum will be touched upon.’


Latin, literally ‘right to war’.


jus ad bellum

/ˌjo͝os ad ˈbeləm/ /ˌdʒʊs æd ˈbɛləm/ /ˌyo͝os ad ˈbelo͝om/ /ˌjʊs æd ˈbɛlʊm/