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ideologue

American  
[ahy-dee-uh-lawg, -log, id-ee-, ahy-dee-] / ˈaɪ di əˌlɔg, -ˌlɒg, ˈɪd i-, aɪˈdi- /

noun

  1. a person who zealously advocates an ideology.


Etymology

Origin of ideologue

1805–15; < French idéologue; see ideo-, -logue


Explanation

An ideologue is someone who has very strong beliefs or opinions and stubbornly sticks to them no matter what. An ideologue will insist they're right even when evidence suggests they might be wrong. If you call someone an ideologue, it's an insult. You're not just saying they believe in something, but that their belief is unreasonable and unbending. An ideologue can't have a thoughtful discussion about a topic, and they aren’t able to consider other perspectives. Ideologue derives from the Greek idea, "form," and logos, "word or speech."

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Vocabulary lists containing ideologue

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

While Karadzic was the ideologue and Milosevic the wily politician, Mladic was the soldier and his metier was waging war.

From Barron's ● Aug. 27, 2026

Blanche may or may not be an ideologue; his history is vague in that regard.

From Salon ● Apr. 12, 2026

To Lam took over 18 months ago on the death of his predecessor Nguyen Phu Trong, an old-style communist ideologue who had presided over a sweeping and disruptive anti-corruption drive.

From BBC ● Jan. 23, 2026

In 2022, U.S. intelligence agencies concluded that Kyiv was responsible for the killing of Daria Dugina, the daughter of a prominent far-right Russian ideologue.

From The Wall Street Journal ● Dec. 22, 2025

He was not an ideologue, but a pragmatist, a man who saw change as necessary and inevitable.

From "Long Walk to Freedom" by Nelson Mandela

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