S: (v) worry (lacerate by biting) "the dog worried his bone"
S: (v) worry (touch or rub constantly) "The old man worried his beads"
Adjective
S: (adj) disquieted, distressed, disturbed, upset, worried (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"
S: (adj) apprehensive, worried (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"