UNSCHEDULED
Meaning of UNSCHEDULED in English
un ‧ sched ‧ uled AC /ʌnˈʃedjuːld $ ʌnˈskedʒ ə ld/ BrE AmE adjective
not planned or expected:
The plane made an unscheduled stop in New York.
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012