Meaning

1 senses
  1. (uncountable)A radical Bolshevik policy demanding that an ultimatum be sent to Bolshevik deputies of the duma, instructing them to be uncompromisingly radical.

Origin

From ultimate + -ism.

From ultimate + -ism.

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See also

neighbours in the dictionary
ultimatism — meaning, examples, forms, synonyms | Krumeto