noun
sectarianism; sectionalism
Refers to excessive loyalty to a particular faction, sect, or subgroup within a larger organization, often leading to division or conflict. Used in political, religious, and organizational contexts.
党内の分派主義が政策決定を遅らせている。
Sectarianism within the party is delaying policy decisions.
その宗教団体は分派主義によって分裂した。
The religious group split due to sectarianism.
Compound of 分派 (branch, faction) + 主義 (principle, -ism). The exact historical origin is uncertain, but it follows the standard pattern for ideological terms.