ultima ratio
noun
ul·ti·ma ra·tio ˌu̇l-tə-mə-ˈrä-tē-ˌō 
: the final argument
also : the last resort (such as force)
Word History
Etymology
New Latin
First Known Use
1780, in the meaning defined above
- secularizing
- secularly
- seculars
- secund
- Secunderabad
- secundigravidae
- secundigravidas
- secundines
- secundiparous
- secundly
- secundogeniture
- secundum artem
- secundum legem
- secundum naturam
- securable
- securance
- securances
- secure in the knowledge
- securely
- securement
- securements
- securenesses
- securer
- securers
- securest