Standard Lemma guide

diagonalism

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

The coming together of antagonistic groups around one issue on which they find common ground, for instance the rejection of vaccination.

Definition source: English Wiktionary via Wiktextract

Usage: uncommon, uncountable

Topics: government, politics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From diagonal + -ism, based on German Querdenken (literally “diagonal thinking”). Coined by Canadian historian and professor Quinn Slobodian and political scientist William Callison in the context of the German Querdenker (“anti-vaxx”) movement during the COVID-19 pandemic, see quotations.