negligence; carelessness; incompetence; mismanagement
Refers to a failure to fulfill one's duties or responsibilities, often implying a lack of proper attention or oversight. Commonly used in formal contexts such as business, government, or official apologies.
His negligence caused a huge loss to the company.
この度の不行き届きを深くお詫び申し上げます。
We deeply apologize for this oversight.