一いっ貫かん性せい

い

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せ

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Meanings

1

Refers to logical consistency, uniformity, or lack of contradiction in ideas, actions, or policies.

His arguments lack consistency.

この計けい画かくには一いっ貫かん性せいが必ひつ要ようだ。

This plan needs coherence.

一いっ貫かんN1
一貫性 is the abstract noun for 'consistency' as a quality, while 一貫 is used more broadly as a noun/verb describing something being carried through consistently.
つじつまN1
一貫性 is a more formal term for logical consistency used in academic or business contexts, while つじつま is the everyday word focused on details matching up in a story or explanation.
整せい合ごう
一貫性 emphasizes consistency maintained over time or across actions, while 整合 focuses on logical coherence or alignment between elements at a given point.

Compound of 一貫 (いっかん, 'consistent, through') and 性 (せい, '-ness, nature').