[ in-ter-ven-shuh-niz-uhm ]

  1. the policy or doctrine of intervening, especially government interference in the affairs of another state or in domestic economic affairs.

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Origin of interventionism

First recorded in 1920–25; intervention + -ism

Other words from interventionism

  • in·ter·ven·tion·ist, noun, adjective

Words Nearby interventionism Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use interventionism in a sentence