1 noun failure to pay attentionfaillí fem4 c m uneamart masc1 c m umany accidents are due to individual negligencefaillí an duine féin is cionsiocair le go leor timpistíit happened through your own negligencedo shleamchúis féin ba chúis leis2 noun LAW professional etcfaillí fem4 c m uprofessional negligencefaillí ghairmiúilthey were alleging negligence on the part of the hospitalbhí faillí á cur i leith an ospidéil acu, bhí faillí á líomhain acu i leith an ospidéil