改かい革かく

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Common wordJLPTN2Freq.FrequencyTop 5,000

改革する · noun or participle which takes 'suru'

Form	Positive	Negative
Dictionary	改かい革かくする	改かい革かくしない
Polite	改かい革かくします	改かい革かくしません
Past polite	改かい革かくしました	改かい革かくしませんでした
Past	改かい革かくした	改かい革かくしなかった
Te-form	改かい革かくして	改かい革かくしないで
Desire	改かい革かくしたい	改かい革かくしたくない
Potential	改かい革かくできる	改かい革かくできない
Passive	改かい革かくされる	改かい革かくされない
Causative	改かい革かくさせる	改かい革かくさせない
Causative passive	改かい革かくさせられる	改かい革かくさせられない
Volitional	改かい革かくしよう
Polite volitional	改かい革かくしましょう
Imperative	改かい革かくしろ	改かい革かくするな
Conditional	改かい革かくすれば	改かい革かくしなければ
Tara conditional	改かい革かくしたら	改かい革かくしなかったら

Meanings

noun, noun or participle which takes 'suru', transitive verb

reform; reorganization; overhaul

Broad term for systematic change, improvement, or restructuring of organizations, systems, laws, or practices. Often used in political, economic, and corporate contexts.

政せい府ふは税ぜい制せいの改かい革かくを進すすめている。
The government is advancing tax system reform.
会かい社しゃの組そ織しきを改かい革かくする必ひつ要ようがある。
We need to reform the company's organization.

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Usage patterns

〈事こと〉の改かい革かくを進すすめるto advance/push forward reform of ~
政せい府ふは税ぜい制せいの改かい革かくを進すすめている。
The government is pushing forward reform of the tax system.
改かい革かくを行おこなうto carry out a reform
会かい社しゃは組そ織しきの改かい革かくを行おこなった。
The company carried out a reform of its organization.
改かい革かくに取とり組くむto tackle/work on a reform
彼かれは教きょう育いく改かい革かくに取とり組くんでいる。
He is working on education reform.
改かい革かくを断だん行こうするto push through a reform decisively
新あたらしい社しゃ長ちょうは大だい胆たんな改かい革かくを断だん行こうした。
The new president decisively pushed through bold reforms.

Expressions

改かい革かくを叫さけぶcry out for reform; clamor for change

Kanji

改reformation, change, modify
革leather, skin, reform

Related words· 14

改かい善ぜんN3
改革 refers to fundamental, structural change, while 改善 refers to incremental improvement of existing conditions.
革かく新しんN1
改革 is broad and can include moderate systematic reform, while 革新 emphasizes radical innovation or renewal, often ideological or technological.
改かい良りょうN2
改革 targets systems, organizations, or laws, while 改良 typically refers to improving concrete products, methods, or techniques.
一いっ新しんN1
改革 focuses on systematic reform of institutions or policies, while 一新 emphasizes a sweeping, wholesale change in appearance, atmosphere, or policy.

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維い新しんN1
改革 is the common, general word for reform, while 維新 suggests a more radical, historically charged renewal such as the Meiji Restoration.
変へん革かくN1
改革 focuses on reforming or improving an existing institution or system, while 変革 suggests a broader, more fundamental transformation.
改かい新しん
改革 is the more common, general word for institutional 'reform', while 改新 has a narrower, often historical or formal flavor of 'renewal'.
刷さっ新しん
改革 is the general, common word for reform or improvement, while 刷新 stresses a thorough, decisive sweeping-away of the old in favor of something new.
改かい編へん
改革 is broader reform or innovation, often used for social or political change, whereas 改編 is narrower, referring to rearranging an existing organization, schedule, or content.
革かく命めいN2
改革 refers to reform carried out within an existing system, while 革命 implies a fundamental, often forceful overturning of that system.
立たて直なおし
改革 refers to reforming policies, systems, or institutions in general, while 立て直し is specifically about restoring something that has gone into decline.
改かい正せいN2
改革 refers to sweeping structural reform, while 改正 refers more narrowly to amending specific laws or regulations.
イノベーション
改革 refers to reforming systems, policies, or organizations, while イノベーション centers on new ideas, products, or technologies.
改かい組そ
改革 refers to systemic reform aimed at improvement, while 改組 refers specifically to reorganizing the composition or structure of a group.

Opposites

保ほ守しゅN1
改革 means pushing for structural change, while 保守 means preserving existing systems and resisting change.

Don't confuse with

革かく命めいN2
改革 shares the kanji 革 with 革命 but means gradual, systematic reform, whereas 革命 means a sudden, often violent revolution overturning the existing order.
改かい善ぜんN3
改革 means structural reform or overhaul of a system, while 改善 means making incremental improvements without necessarily changing the system itself.

Word family· 29

党とう改かい革かく
party reform
改かい革かく家か
reformer; reformist
改かい革かく案あん
reform proposal; reform plan
改かい革かく派は
reformist; reform faction
改かい革かく者しゃ
reformer

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司し法ほう改かい革かく
judicial reform
土と地ち改かい革かく
land reform
宗しゅう教きょう改かい革かく
the Reformation
市し場じょう改かい革かく
market reform
意い識しき改かい革かく
mindset change; attitude reform

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Etymology

Compound of 改 (kai, 'change, reform') and 革 (kaku, 'leather, renew'). The combination conveys the idea of fundamental renewal or transformation, originally from Chinese.