(てお)

ておち
noun
oversight; omission; fault
1. oversight; omission; fault; negligence
A mistake or deficiency caused by failing to attend to something that should have been handled. Implies that the error was due to carelessness or insufficient attention rather than inability.
手落(てお)ちがあった。
There was an oversight.
準備(じゅんび)手落(てお)ちがないか確認(かくにん)した。
I checked whether there were any oversights in the preparation.
調査(ちょうさ)手落(てお)ちがあったことが(あと)になって判明(はんめい)した。
It was discovered later that there had been an oversight in the investigation.

USAGE:
手落(てお)ち is typically used to point out a flaw or gap in a process, plan, or task that should have been caught. It carries a critical nuance and implies accountability. Common in formal and business contexts.

COMMON COLLOCATIONS:

  • 手落(てお)ちがある (there is an oversight)
  • 手落(てお)ちがない (no oversights; flawless)
  • 手落(てお)ちのないようにする (to ensure there are no oversights)
  • 手落(てお)ちを(みと)める (acknowledge a fault)

SIMILAR WORDS:
見落(みお)とし means 'something overlooked' and focuses on missing something visually or in review. 不備(ふび) means deficiency or inadequacy in documentation or preparation. 手落(てお)ち emphasizes that the responsible party failed to do their due diligence.