1. an unfortunate mishap; especially one causing damage or injury
2. anything that happens suddenly or by chance without an apparent cause
- winning the lottery was a happy accident
- it was due to an accident or fortuity
Sentences with accident as a noun:
- to die by an accident
- There was a huge accident on I5 involving 15 automobiles.
- My insurance went up after the second accident in three months.
- Beauty is an accident.