interventionism

American  

[in-ter-ven-shuh-niz-uhm] / ˌɪn tərˈvɛn ʃəˌnɪz əm /

noun

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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Other Word Forms

• interventionist
  noun

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Etymology

Origin of interventionism

First recorded in 1920–25; intervention + -ism

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Compare meaning

How does interventionism compare to similar and commonly confused words? Explore the most common comparisons:

• isolationism vs. interventionism

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Example Sentences

See Examples For:

interventionism

“We Mexicans don’t want interference, interventionism, or violations of our territorial integrity,” she said before tens of thousands of supporters in Mexico City’s central Zócalo square late last month.

From The Wall Street Journal ● Oct. 7, 2026

“We’re looking forward to the negotiation. I think it’s going to be positive,” said the vice president, who is known for being skeptical of military interventionism.

From MarketWatch ● Apr. 10, 2026

"On 23 February 1981, 200 years of military interventionism in Spain came to an end," he wrote in El Pais newspaper, saying that was the moment that democracy "truly began in Spain".

From Barron's ● Feb. 25, 2026

I asked Graham if he felt that he had won the battle against Paul in favor of interventionism.

From Slate ● Jan. 7, 2026

There was a vigorous interventionism in the land law subsequent to appeals to the King in landlord-tenant relations, brought by a lord or by an undertenant.

From Our Legal Heritage by S. A. Reilly

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