紛失|ふんしつfunshitsu[0]heiban (flat)

JLPT N1approx.Common
Definitions
  1. noun, suru verb, transitive verb, intransitive verbloss; going missing
    あなたのために紛失ふんしつした指輪ゆびわを探さがしてあげましょう。↗
    I will find you your lost ring.
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.

Synonyms & antonyms
  • 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

Japanese definitions
  1. 物ものをなくすこと。
Kanji in this word
See also

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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