worried in WordNet English dictionary

1. mentally upset over possible misfortune or danger etc
   "apprehensive about her job"; "not used to a city and worried about small things"; "felt apprehensive about the consequences"
   apprehensive  worried 
   
2. afflicted with or marked by anxious uneasiness or trouble or grief
   "too upset to say anything"; "spent many disquieted moments"; "distressed about her son's leaving home"; "lapsed into disturbed sleep"; "worried parents"; "a worried frown"; "one last worried check of the sleeping children"
   disquieted  distressed  disturbed  upset  worried