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.

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Etymology

Origin of ideologue

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

Example Sentences

Rubio, who is seen as less of an ideologue, will lead the US delegation to the annual security and defense talks, which run through Sunday in the Bavarian capital.

From Barron's • Feb. 12, 2026

Crooks reportedly went from being a pro-Trump to an anti-Trump ideologue, but appeared to go dark online afterward.

From Salon • Nov. 19, 2025

The night he won, he showed who he was: a serious ideologue who means it.

From The Wall Street Journal • Nov. 6, 2025

"He's much more of a pragmatist than an ideologue," said James Orr, associate professor of philosophy of religion at the University of Cambridge and a friend whom Vance has described as his "British sherpa".

From BBC • Mar. 10, 2025

He was the ideologue who made his students bum with the flame that in most of them extinguished itself as soon as they graduated and joined the world they had once hoped to change.

From "The House of the Spirits: A Novel" by Isabel Allende