There are multiple definitions - click on the translation that matches your context.

forsømmelse

substantiv

full

negligence

noun

Definitions of negligence

English

the failure to do something which a reasonable person would do under the circumstances, or the doing of something which a reasonable and prudent person would not do under the circumstances; failure to be as careful as the law demands

The court found that the company's failure to maintain an archive of e-mail correspondence constituted negligence.