frightening
US /ˈfraɪ.tən.ɪŋ/
UK /ˈfraɪ.tən.ɪŋ/

1.
beangstigend, schrikwekkend
making someone afraid or anxious; terrifying.
:
•
The storm was truly frightening.
De storm was echt beangstigend.
•
It was a frightening experience.
Het was een angstaanjagende ervaring.