1. verb /ˈwʌri,ˈwɜːri/
Your dog’s been worrying sheep again.
The President was worried into military action by persistent advisors.
2. noun /ˈwʌri,ˈwɜːri/
Im afflicted by worry throughout the night.
b) An instance or cause of such a feeling.
My main worry is that Ill miss the train.
Wikipedia foundation.