having or revealing supreme mastery or skill; "a consummate artist"; "consummate skill"; "a masterful speaker"; "masterful technique"; "a masterly performance of the sonata"; "a virtuoso performance"
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"