English Reference

Word

schism

US/ˈskɪzəm/

UK/skˈɪzəm/

Definitions

01a split in a group

C1

n. a serious disagreement that causes a group or organization to divide into two smaller groups.

n. a formal separation or division within a body or organization, typically resulting from irreconcilable discord or differences in opinion.

“The disagreement over the new budget caused a deep schism within the political party.”

“The ideological schism between the traditionalists and the reformers threatened to dismantle the coalition before the upcoming election cycle.”

Formal

Usage

Often used with the preposition 'between' or 'within'.

Antonyms

02religious division

C1 · Religion

n. a formal split within a church or religious group, often because of different beliefs.

n. a formal breach of union within a religious body, specifically one that does not necessarily involve a change in fundamental doctrine.

“The Great Schism of 1054 divided the Christian church into East and West.”

“Historians argue that the schism was driven more by ecclesiastical politics and regional authority than by genuine theological disputes.”

Formal · Technical

Teaching tip

In a religious context, a schism is distinct from 'heresy'; a schism is a split in authority, while heresy is a split in belief.

Synonyms

sectarianismbreakaway

Antonyms

03to cause a split

C2

v. to divide a group into two separate parts.

v. to cause a group or organization to split or divide into factions.

“The controversial decision threatened to schism the entire community.”

“The leadership's refusal to compromise served only to schism the movement, alienating the younger members who sought radical change.”

Formal · Literary

Usage

This verb is transitive and takes a direct object, though it is much less common than the noun form.

Antonyms

Real-World Examples

“They elected a rival pope, triggering the Great Western Schism , during which two competing papal courts existed from 1378 to 1417.”
The Conversation · 11 Sept 2026

Etymology

From Middle English scisme, from Old French cisme or scisme, from Ancient Greek σχίσμα (skhísma, “division”), from σχίζω (skhízō, “I split”). Doublet of schisma. Compare chasm. This word was historically pronounced /ˈsɪzəm/ (and still is among the clergy); the pronunciations /ˈʃɪzəm/, /ˈskɪzəm/ are due to the spelling (the latter may have been reinforced by learned influence); compare schedule.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domain

Religion

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

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English Reference