Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

ultima ratio regum

foreign term ul·ti·ma ra·tio re·gum \ˈu̇l-ti-mä-ˌrä-tē-ō-ˈrā-gu̇m\

Definition of ultima ratio regum

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


Origin of ultima ratio regum

Latin


Seen and Heard

What made you want to look up ultima ratio regum? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

the Celtic May Day festival

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

oily angry maudlin prompt
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ