To worry means to feel afraid that something bad might happen. People worry about problems or dangers they think could come.
I worry about my test tomorrow.
She worries if the dog is home.
This meaning is about thinking a lot about problems. It makes people feel unhappy or nervous even if the problem is small or not real.
Don’t worry. Things will be okay.
He worries all day about money.
Worry as a noun means the feeling when you are scared or nervous about something bad that could happen.
My worry is that I am late.
Her biggest worry is her job.
Worry can mean a thing or problem that causes someone to feel nervous or afraid.
The car is the main worry now.
Money is her biggest worry.
To worry can also mean to make someone feel nervous or scared about something bad that might happen.
The storm worries the farmers.
This news worries many people.
In a formal or old-fashioned way, to worry can mean to think carefully about something or to care about it deeply.
He worries about his health every day.
She worries the details of the plan.
'No worries' is a common informal phrase that means there is no problem or it is okay. People use it to say 'you are welcome' or 'don’t be afraid.'
Thank you! – No worries!
Can you help me? – No worries!