瓦解|がかいgakai[0]heiban (flat)
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- noun, suru verb, intransitive verbcollapse; downfall
Conjugation
| Dictionary form | 瓦解する(がかいする) |
|---|---|
| Polite (masu) | 瓦解します(がかいします) |
| Negative (nai) | 瓦解しない(がかいしない) |
| polite (masen) | 瓦解しません(がかいしません) |
| classical zu / nu | 瓦解せず・瓦解せぬ(がかいせず・がかいせぬ) |
| Past (ta) | 瓦解した(がかいした) |
| polite (mashita) | 瓦解しました(がかいしました) |
| Past negative (nakatta) | 瓦解しなかった(がかいしなかった) |
| polite (masen deshita) | 瓦解しませんでした(がかいしませんでした) |
| Te form | 瓦解して(がかいして) |
| Potential | 瓦解できる(がかいできる) |
| Passive | 瓦解される(がかいされる) |
| Causative | 瓦解させる(がかいさせる) |
| Causative passive | 瓦解させられる(がかいさせられる) |
| Conditional (ba) | 瓦解すれば(がかいすれば) |
| tara | 瓦解したら(がかいしたら) |
| Volitional | 瓦解しよう(がかいしよう) |
| polite (mashou) | 瓦解しましょう(がかいしましょう) |
| Imperative | 瓦解しろ(がかいしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym崩壊ほうかいNeutralNeutral and broader in scope than 「瓦解」: used for buildings caving in and for organizations collapsing, and it also covers radioactive decay.
- Synonym崩れ去るくずれさるWrittenWritten/formal prose: something crumbles away until nothing remains; used mostly for abstract things such as beliefs or dreams.
- Related倒壊とうかいWrittenWritten/formal prose. Strictly for buildings toppling down — a staple of earthquake reporting — and never used for organizations.
- Related崩れるくずれるNeutralAn everyday verb: things crumble, but it also covers shapes, postures or states falling into disarray, as in 「天気が崩れる」.
- Related崩れ落ちるくずれおちるNeutralFor piled-up things breaking apart and tumbling down; the emphasis is on the concrete, physical downward collapse.
- Related潰れるつぶれるNeutralMore direct than 「瓦解」 and common in speech: things get crushed or squashed, and it is the everyday word for a company going under.
- Related全壊ぜんかいNeutralTotal destruction of a building or house; the standard term in disaster damage statistics, and not applied to organizations.
- Related崩落ほうらくWrittenWritten/formal prose, common in the news: mountainsides, tunnels and the like cave in, and it also refers to a sudden market crash.
- Related潰えるついえるWrittenA written, literary word for dreams or plans falling through and armies being routed; often seen as 「夢が潰える」.
- Antonym統合とうごうNeutralAntonym: combining two or more things into one — the opposite of 「瓦解」, where an organization falls to pieces.
- Antonym結束けっそくNeutralAntonym: like-minded people banding together for a common aim — the opposite of an organization falling apart from within.
- Antonym団結だんけつNeutralA common everyday antonym: many people uniting as one toward a goal — the opposite of an organization scattering.
「瓦解」 and 「崩壊」 both describe an organization or system falling apart. For buildings use 「倒壊」; in everyday speech 「崩れる」 and 「潰れる」 cover things crumbling and companies going under, and 「潰える」 is for dreams or plans that come to nothing. 「全壊」 is a building destroyed outright, 「崩落」 a cave-in or market crash, 「崩れ去る」 a belief fading away. Antonyms: 「統合」, 「結束」, 「団結」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


