To feel or express anxiety or concern about something. She tends to worry about her children's safety when they are out late.
To cause someone to feel anxious or concerned. The news of the storm worried the residents of the coastal town.
To harass or bother persistently. The dog would worry the sheep by chasing them around the field.
To touch, twist, or handle something repeatedly in a nervous or restless manner. She worried the chain of her necklace while waiting for the interview to begin.
Of an animal, to bite, tug at, or gnaw something repeatedly. The puppy happily worried the old slipper until it was in tatters.