feel or cause to feel anxious or troubled about actual or potential problems

he worried about his soldier sons in the war

I began to worry whether I had done the right thing

there was no need to worry her

(of a dog or other carnivorous animal) tear at or pull about with the teeth

I found my dog contentedly worrying a bone

the state of being anxious and troubled over actual or potential problems

he's demented with worry

her son had been a constant source of worry to her