unplanned

/ʌnˈplænd/
adjective
  1. Not arranged or intended in advance; happening by chance or without preparation.
    • An unplanned power outage caused the event to be canceled.
    • Their trip to the beach was completely unplanned.
    • She gave an unplanned speech at the ceremony.
What does "unplanned" mean? | whatsthatwordmean | whatsthatwordmean