unexpected
US /ˌʌn.ɪkˈspek.tɪd/
UK /ˌʌn.ɪkˈspek.tɪd/

1.
tidak terduga, mengejutkan
not expected or foreseen; surprising
:
•
The news of her resignation was completely unexpected.
Berita pengunduran dirinya sama sekali tidak terduga.
•
We had an unexpected visitor this morning.
Kami kedatangan tamu tak terduga pagi ini.