accidental
/ˌæksɪˈdɛntəl/Definitions
1. adjective
happening or done unintentionally
“She called it an accidental discovery.”
2. noun
an event or situation that happens unexpectedly or without intention
“The fire was caused by an accidental spark.”
3. noun
a person or thing that is not intended or planned
“The accidental tourist got lost in the city.”
4. noun
a result of a careless or unintentional action
“The broken vase was an accidental consequence of the child’s play.”