喪失|そうしつsoushitsu[0]heiban (flat)
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- noun, suru verb, transitive verbloss; forfeit
Conjugation
| Dictionary form | 喪失する(そうしつする) |
|---|---|
| Polite (masu) | 喪失します(そうしつします) |
| Negative (nai) | 喪失しない(そうしつしない) |
| polite (masen) | 喪失しません(そうしつしません) |
| classical zu / nu | 喪失せず・喪失せぬ(そうしつせず・そうしつせぬ) |
| Past (ta) | 喪失した(そうしつした) |
| polite (mashita) | 喪失しました(そうしつしました) |
| Past negative (nakatta) | 喪失しなかった(そうしつしなかった) |
| polite (masen deshita) | 喪失しませんでした(そうしつしませんでした) |
| Te form | 喪失して(そうしつして) |
| Potential | 喪失できる(そうしつできる) |
| Passive | 喪失される(そうしつされる) |
| Causative | 喪失させる(そうしつさせる) |
| Causative passive | 喪失させられる(そうしつさせられる) |
| Conditional (ba) | 喪失すれば(そうしつすれば) |
| tara | 喪失したら(そうしつしたら) |
| Volitional | 喪失しよう(そうしつしよう) |
| polite (mashou) | 喪失しましょう(そうしつしましょう) |
| Imperative | 喪失しろ(そうしつしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym失ううしなうNeutralThe most common verb for losing: things, chances, loved ones. 「喪失」 is a written, Chinese-style noun used mostly for abstract things, as in 「記憶喪失」.
- SynonymロスNeutralLoanword for loss or waste, also a feeling of loss, as in 「ペットロス」. More colloquial than 「喪失」.
- Synonym失するしっするWrittenWritten/formal prose: to lose propriety or an opportunity, as in 「礼を失する」; also to be excessive, as in 「遅きに失する」.
- Synonym失墜しっついWrittenWritten/formal prose, reserved for prestige, trust or status crashing down; 「喪失」 applies to all sorts of things.
- SynonymなくすNeutralThe everyday word for losing things or eliminating them. 「喪失」 is more written and mostly for abilities or qualifications.
- Related遺失いしつWrittenWritten/formal prose: losing money or valuables; common in official terms like 「遺失物」. 「喪失」 typically covers abstract things such as abilities or qualifications.
- Related紛失ふんしつNeutralFor objects that go missing; rather formal, common in official reports. 「喪失」 is mostly for abstract things like ability or memory.
- Related落とすおとすNeutralTo drop or lose something, with many other senses (lowering, removing). 「財布を落とす」 is the everyday way to say you lost your wallet.
- Related逸するいっするWrittenWritten/formal prose: to miss a chance, or to deviate from the norm, as in 「常軌を逸する」.
- Related見失うみうしなうNeutralTo lose sight of something, or figuratively lose your bearings, as in 「自分を見失う」. 「喪失」 is losing something you once had.
- Related損失そんしつNeutralLoss of assets or profit, or of something precious; stresses the extent of the damage suffered.
- Related亡失ぼうしつWrittenRare written term used in law and official documents for lost items; in everyday speech say 「紛失」.
- Related損亡そんもうWrittenAntiquated written term for financial or material loss; 「損失」 is what people say today.
- Related無くなすなくなすNeutralA dialectal or old-fashioned variant of 「無くす」; rare. Use 「無くす」 instead.
- Related落っことすおっことすCasualColloquial form of 「落とす」 for accidentally dropping or losing something; casual in tone.
- Antonym獲得かくとくNeutralAntonym: to gain items or rights through effort; the opposite of the loss expressed by 「喪失」.
- Antonym保持ほじNeutralAntonym: to keep holding on to something, as in 「記録保持」; the opposite of 「喪失」.
For losing everyday objects, say 「無くす」 or 「落とす」; in formal situations such as reports, use 「紛失」. 「喪失」 itself is for losing abstract things: ability, memory, qualifications. For prestige or trust collapsing, 「失墜」; for financial loss, 「損失」. 「失う」 is the all-purpose verb. The rest are rare or specialized: 「遺失」「亡失」「損亡」 in official prose, 「逸する」「失する」 in formal writing, 「ロス」 for a sense of loss, 「見失う」 for losing sight of something, 「無くなす」 and 「落っことす」 as colloquial or regional variants. Antonyms: 「獲得」, 「保持」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
- 失うこと。


