unscheduled
un|sched|uled /'ʌnʃ'edjuːld, AM -sk'ed-/
[ADJ] usu ADJ n
An unscheduled event was not planned to happen, but happens unexpectedly or because someone changes their plans at a late stage.
...an unscheduled meeting with Robin Cook...
The ship made an unscheduled stop at Hawaii.
[ADJ] usu ADJ n
An unscheduled event was not planned to happen, but happens unexpectedly or because someone changes their plans at a late stage.
...an unscheduled meeting with Robin Cook...
The ship made an unscheduled stop at Hawaii.