alarming
US /əˈlɑːr.mɪŋ/
UK /əˈlɑːr.mɪŋ/

1.
membimbangkan, mengkhawatirkan
causing a feeling of fear or anxiety; worrying
:
•
The rapid spread of the disease is truly alarming.
Penyebaran pantas penyakit ini sungguh membimbangkan.
•
There was an alarming silence after the explosion.
Terdapat kesunyian yang membimbangkan selepas letupan.