To cause anxious uneasiness in
To disturb by repeated attacks
To focus the attention on something moodily and at length
A troubled or anxious state of mind
A cause of distress or anxiety
A state of anxiety
A cause of worry
To cause worry
To indulge in worry
Don't worry; everything will work out fine.
Worry had prevented her from eating earlier.
Don't worry about him.
Don't worry, go! she whispered, smiling, with the kind of familiarity that grows up between a nurse and her mistress.
Her soft touch did more than erase the worry from his brow.