noun
accident; unexpected trouble
A loanword from English 'accident', used for unforeseen mishaps or incidents, often with a slightly softer or more euphemistic tone than 事故.
ちょっとしたアクシデントがあって、遅刻しました。
I was late because of a small accident.
イベント中にアクシデントが発生した。
An accident occurred during the event.