verb

 

be anxious to think about problems or unpleasant things that might happen in a way that makes you feel anxious

Don't worry - she'll be all right.

 

make anxious to make someone feel anxious because of problems or unpleasant things that might happen

It worries me that he hasn't phoned yet.

 

noun

 

problem a problem that makes you feel anxious

health worries

 

feeling when you are anxious about something

She's been sick with worry.