What is most remote; furthest; final; last. Ultima ratio Etym: [L.], the last reason or argument; the last resort. -- Ultima Thule. [L.] See Thule called?

ultima — Most remote; furthest; final; last. Ultima ratio Etym: [L.], the last reason or argument; the last resort. -- Ultima Thule. [L.] See Thule. (Webster's 1913.)

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