腐敗|ふはいfuhai[0]heiban (flat)
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Definitions
- noun, suru verb, intransitive verbdecomposition; putrefaction; putrescence; spoilage
- noun, suru verb, intransitive verbcorruption; degeneracy; decay; depravity
Conjugation
| Dictionary form | 腐敗する（ふはいする） |
|---|---|
| Polite (masu) | 腐敗します（ふはいします） |
| Negative (nai) | 腐敗しない（ふはいしない） |
| polite (masen) | 腐敗しません（ふはいしません） |
| classical zu / nu | 腐敗せず・腐敗せぬ（ふはいせず・ふはいせぬ） |
| Past (ta) | 腐敗した（ふはいした） |
| polite (mashita) | 腐敗しました（ふはいしました） |
| Past negative (nakatta) | 腐敗しなかった（ふはいしなかった） |
| polite (masen deshita) | 腐敗しませんでした（ふはいしませんでした） |
| Te form | 腐敗して（ふはいして） |
| Potential | 腐敗できる（ふはいできる） |
| Passive | 腐敗される（ふはいされる） |
| Causative | 腐敗させる（ふはいさせる） |
| Causative passive | 腐敗させられる（ふはいさせられる） |
| Conditional (ba) | 腐敗すれば（ふはいすれば） |
| tara | 腐敗したら（ふはいしたら） |
| Volitional | 腐敗しよう（ふはいしよう） |
| polite (mashou) | 腐敗しましょう（ふはいしましょう） |
| Imperative | 腐敗しろ（ふはいしろ） |
Common forms generated by rule; see the senses for honorific or irregular usage.
Synonyms & antonyms
- Synonym腐乱ふらんWrittenWritten word for corpses or food rotting and festering. 「腐敗」 also has the figurative sense of political corruption.
- Synonym腐りくさりNeutralColloquial noun for rotting or going bad. 「腐敗」 is more written and also used figuratively for corruption.
- SynonymくさるNeutralColloquial verb for rotting; it can also mean becoming dejected. 「腐敗」 is a noun with a more written feel.
- Synonym腐食ふしょくNeutralRefers to rust and chemical corrosion of metals. 「腐敗」 is about organic matter rotting.
- Synonym腐朽ふきゅうWrittenWritten word for wood and buildings decaying away. 「腐敗」 centers on organic matter breaking down.
- Synonym腐れくされNeutralNoun for rotting; also a contemptuous prefix in insults like 「腐れ野郎」. 「腐敗」 has a more written feel.
- RelatedすえるNeutralSaid of food going stale or sour. 「腐敗」 is broader and also covers figurative corruption.
- Antonym清潔せいけつNeutralAntonym on the clean-versus-filthy axis: clean and hygienic.
- Antonym清廉せいれんWrittenAntonym on the honest-versus-corrupt axis: upright and free of selfish desire; a written word.
Use 「腐敗」 for food and organic matter rotting and for figurative rot such as political corruption. In speech, the verb 「腐る」 is the everyday choice. For wood or buildings use 「腐朽」, for rusting metal 「腐食」, for food turning sour 「饐える」. 「腐乱」 is a written word for festering flesh. The antonyms are 「清潔」 for cleanliness and 「清廉」 for integrity.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese definitions
Kanji in this word
English equivalents
See also
