When you are careless or reckless and you don’t take care of a person, object or situation like you ought to, you are practicing negligence. "Her negligence of the house resulted in its being condemned by the city."
The noun negligence comes from a Latin word that means “carelessness.” Negligence can come in many forms: negligence of one's children can lead to foster care, negligence while driving can cause fatal accidents, negligence of work can lead to the loss of a job, and negligence of nutrition can cause health problems. There is culpability in negligence. Negligence is when one neglects to do things that should be done, and there are usually consequences.