ultima ratio regum

Latin phrase
ul·​ti·​ma ra·​tio re·​gum | \ ˈu̇l-ti-mä-ˌrä-tē-ō-ˈrā-gu̇m How to pronounce ultima ratio regum (audio) \

Definition of ultima ratio regum

: the final argument of kings (i.e., war)

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“Ultima ratio regum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultima%20ratio%20regum. Accessed 3 Dec. 2020.

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