iron curtain

noun

Definition of iron curtain

1 : an impenetrable barrier
  • the iron curtain between the ego and the unconscious
  • —C. J. Rolo
2 : a political, military, and ideological barrier that cuts off and isolates an area; specifically, often capitalized : one formerly isolating an area under Soviet control

Recent Examples of iron curtain from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'iron curtain.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of iron curtain

1819

in the meaning defined at sense 1

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