紛失|ふんしつfunshitsu[0]heiban (flat)
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- noun, suru verb, transitive verb, intransitive verbloss; going missing
Conjugation
| Dictionary form | 紛失する(ふんしつする) |
|---|---|
| Polite (masu) | 紛失します(ふんしつします) |
| Negative (nai) | 紛失しない(ふんしつしない) |
| polite (masen) | 紛失しません(ふんしつしません) |
| classical zu / nu | 紛失せず・紛失せぬ(ふんしつせず・ふんしつせぬ) |
| Past (ta) | 紛失した(ふんしつした) |
| polite (mashita) | 紛失しました(ふんしつしました) |
| Past negative (nakatta) | 紛失しなかった(ふんしつしなかった) |
| polite (masen deshita) | 紛失しませんでした(ふんしつしませんでした) |
| Te form | 紛失して(ふんしつして) |
| Potential | 紛失できる(ふんしつできる) |
| Passive | 紛失される(ふんしつされる) |
| Causative | 紛失させる(ふんしつさせる) |
| Causative passive | 紛失させられる(ふんしつさせられる) |
| Conditional (ba) | 紛失すれば(ふんしつすれば) |
| tara | 紛失したら(ふんしつしたら) |
| Volitional | 紛失しよう(ふんしつしよう) |
| polite (mashou) | 紛失しましょう(ふんしつしましょう) |
| Imperative | 紛失しろ(ふんしつしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym遺失いしつWrittenWritten/formal prose, used mainly for lost property, as in 「遺失物」; 「紛失」 stresses that the item's whereabouts are unknown.
- Synonym失ううしなうNeutralNeutral; a broad word for losing, including losing loved ones or chances. 「紛失」 applies only to items going missing.
- SynonymなくすNeutralNeutral; the most common everyday word for losing something. 「紛失」 is more written and typical for documents and ID.
- Synonym亡失ぼうしつWrittenWritten/formal prose and rare; means losing something. In everyday speech use 「紛失」.
- Related落とすおとすNeutralNeutral and very common in speech; covers dropping things and losing them. 「紛失」 leans written and stresses that the item cannot be found.
- Related置き忘れるおきわすれるNeutralNeutral; leaving something somewhere and forgetting to take it, as in 「傘を置き忘れる」. 「紛失」 stresses that the item is unaccounted for.
- Related取り落とすとりおとすNeutralNeutral; dropping something you were holding, or omitting it. 「紛失」 focuses on an item that cannot be found.
- Related落っことすおっことすCasualColloquial, with a casual feel; to drop or lose something. 「紛失」 is the more written choice.
- Related無くなすなくなすCasualColloquial with a dialectal flavor; to lose something. In daily speech 「無くす」 is the usual word.
- Related置き違えるおきちがえるNeutralNeutral; putting something in the wrong place. 「紛失」 is about an item you cannot find.
- Antonym発見はっけんNeutralNeutral; the antonym on the lost–found axis, meaning to find or discover something.
- Antonym拾得しゅうとくWrittenWritten/formal prose; the antonym on the lost–picked-up axis, meaning finding lost property.
Use 「紛失」 when documents, ID and similar items go missing with their whereabouts unknown, as in 「紛失届」. In everyday speech, losing something is 「無くす」 or 「落とす」; leaving it behind is 「置き忘れる」. 「遺失」 turns up in lost-and-found contexts; antonyms are 「発見」 and 「拾得」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
- 物をなくすこと。


