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

Even after a string of recent victories in congressional primaries by members of the Democratic Socialists of America, national Democrats appear slow to recognize that ideologues on the left are attempting a hostile takeover of the party. — James Kirchick, The Atlantic, 21 July 2026

For the rest, Lina Ghotmeh is not an ideologue, in contrast to what French architecture seems increasingly to be moving toward. — Time, Time, 1 July 2026

The authors tell it through the lives of six Iranians, including a revolutionary ideologue, a tech entrepreneur, and two women at the forefront of the 2022 Woman, Life, Freedom protests. — The Week Uk, TheWeek, 18 June 2026

Unthinking ideologues are the problem. — Sal Rodriguez, Oc Register, 31 May 2026

Word History

Etymology

French idéologue, back-formation from idéologie

First Known Use

1815, in the meaning defined at sense 2