Negligence (noun)

The state or quality of being neglectful; a failure to take proper care or notice.

Origin:

From old french negligence, from latin negligentia, from neglegentem, present participle of neglegere ("to neglect").

Examples:

1. The accident was caused by negligence.
2. He was charged with negligence in the performance of his duties.
3. Negligence in the maintenance of the equipment led to the accident.
4. The company was liable for negligence in the design of the product.
5. The doctor"s negligence caused the patient"s death.