ideologue

noun

ideo·​logue ˈī-dē-ə-ˌlȯg 

-ˌläg

variants or less commonly idealogue

1

: an often blindly partisan advocate or adherent of a particular ideology

2

: an impractical idealist : theorist

Synonyms of ideologue

• partisan
• militant
• activist
• crusader

Examples of ideologue in a Sentence

as long as there are ideologues controlling both sides of the aisle, legislative compromise is out of the question

the revolutionaries proved to be impractical ideologues who had no idea how to run a country

Recent Examples on the Web

Women had long been leaders and chief ideologues in secular movements – such as in the Weather Underground in the United States, Italy’s Red Brigades, Germany’s Red Army Faction and the Basque separatist group ETA. — Sara Harmouch, The Conversation, 1 Oct. 2026

After years of herding his state’s liberal cats, Newsom treats the new breed of progressive ideologues—New York mayor Zohran Mamdani being the exemplar—as Johnny-come-latelies. — Joe Hagan, Vanity Fair, 30 Sep. 2026

That silence has enabled grifting racial ideologues like Le Batard to make such claims with increasing regularity. — Bobby Burack Outkick, FOXNews.com, 21 Sep. 2026

After all, even if a Democrat wins the White House in 2028, the companies empowered by federal money and the ideologues who have taken over institutions will continue to influence Congress and voters. — Anne Applebaum, The Atlantic, 14 Sep. 2026

Word History

Etymology

French idéologue, back-formation from idéologie

First Known Use

1815, in the meaning defined at sense 2