Worry

[Sarah]

To feel or express undue care and anxiety; to manifestdisquietude or pain; to be fretful; to chafe; as, the child worries;the horse worries.

[Agnes]

action of a dog [seizing] an item with its teeth and violently shaking its head from [side to side] in an effort to kill whatever [the item] is.

[Jessica]

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