frightening

US /ˈfraɪ.tən.ɪŋ/

UK /ˈfraɪ.tən.ɪŋ/

1.

making someone afraid or anxious; terrifying.

:

•

The storm was truly frightening.

•

It was a frightening experience.

:

alarming chilling daunting dreadful eerie

:

comforting reassuring

:

frightened frighten frighten someone out of their wits scare/frighten someone witless