紛失(ふんしつ)

ふんしつ
noun, verb-suru
loss; losing (an item); misplacement
1. loss; losing; misplacement
Losing a physical item, especially important documents, valuables, or personal belongings. More formal than simply saying something was lost.
パスポートを紛失(ふんしつ)した。
I lost my passport.
鍵(かぎ)の紛失(ふんしつ)を届(とど)け出(で)た。
I reported the loss of my key.
書類(しょるい)を紛失(ふんしつ)した場合(ばあい)は、速(すみ)やかに担当者(たんとうしゃ)に連絡(れんらく)してください。
If you lose any documents, please contact the person in charge immediately.

紛失(ふんしつ) is a formal noun that also functions as a suru-verb (紛失(ふんしつ)する). It is the standard formal word for losing a physical item.

COMMON COLLOCATIONS:

  • パスポートを紛失(ふんしつ)する (to lose one's passport)
  • 紛失届(ふんしつとどけ) (a lost item report)
  • 紛失(ふんしつ)届(とどけ)を出(だ)す (to file a lost item report)
  • 紛失(ふんしつ)防止(ぼうし) (loss prevention)

RELATED WORDS:
なくす} is the everyday word for losing something. {紛失(ふんしつ) is more formal and is used in official reports, announcements, and business contexts. 遺失(いしつ) (loss of property) is even more formal and is used in legal contexts — 遺失物(いしつぶつ) means "lost property."

general
Added 2026.3.4 14:30
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