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

Dear Coop Members, In pursuing their anti-member campaign, some of the general coordinators have become ideologues, eager to twist facts, abuse their power, and disable member participation. —Christine Smallwood, Harpers Magazine, 24 Mar. 2026

Surely, even the most fervent ideologues could chill out on July Fourth. —The Editorial Board, Chicago Tribune, 22 Mar. 2026

These leftwing ideologues are hurting the least mobile people in their state, people stuck in a dead economy with few options. —Betsy McCaughey, Boston Herald, 16 Mar. 2026

The fact that Ellison may be more of a pragmatist than a Rupert Murdoch–style ideologue could serve some cold comfort to those at CNN who fear not only cuts but an editorial shift of the kind that has occurred at CBS News. —Reeves Wiedeman, Vulture, 6 Mar. 2026

Word History

Etymology

French idéologue, back-formation from idéologie

First Known Use

1815, in the meaning defined at sense 2