sullen; depressed; melancholy; dejected

to worry; anxiety (about)

distressed; laden with grief

to be worried

concerned; worried; disturbed; anxious

(psychology) depression

deeply worried and sick at heart (idiom)

(literary) worried facial expression

to be anxious and worried; agitated; pensive

anxious; distressed; burdened with care

suffering; misery; hardship

apprehension; apprehensive

worrying

depressed; full of worries; feeling down