IPA: /ˈwɜːrɪsəm/
KK: /ˈwɜːrɪsəm/
Causing feelings of worry or anxiety.
The news about the storm was worrisome to everyone in the town.
Worrisome → It is formed from "worry" (from Old English *wyrgan*, meaning to strangle or to cause distress) and "-some" (meaning characterized by or causing). The word "worrisome" describes something that causes worry or distress.
Think of something that 'causes distress' ('worry') and is 'characterized by' ('-some') that feeling — that's why worrisome means something that makes you worry.