[syn: apprehensive, worried]
The Collaborative International Dictionary of English v.0.48:
Worry \Wor"ry\, v. t. [imp. & p. p. Worried; p. pr. & vb. n.
   Worrying.] [OE. worowen, wirien, to strangle, AS. wyrgan in
   [=a]wyrgan; akin to D. worgen, wurgen, to strangle, OHG.
   wurgen, G. w["u]rgen, Lith. verszti, and perhaps to E.
   wring.]
   [1913 Webster]
   1. To harass by pursuit and barking; to attack repeatedly;
      also, to tear or mangle with the teeth.
      [1913 Webster]
            A hellhound that doth hunt us all to death;
            That dog that had his teeth before his eyes,
            To worry lambs and lap their gentle blood. --Shak.
      [1913 Webster]
   2. To harass or beset with importunity, or with care an
      anxiety; to vex; to annoy; to torment; to tease; to fret;
      to trouble; to plague. "A church worried with
      reformation." --South.
      [1913 Webster]
            Let them rail,
            And worry one another at their pleasure. --Rowe.
      [1913 Webster]
            Worry him out till he gives consent.  --Swift.
      [1913 Webster]
   3. To harass with labor; to fatigue. [Colloq.]
      [1913 Webster]
WordNet (r) 3.0 (2006):
worried
    adj 1: 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" [syn: disquieted, distressed,
           disturbed, upset, worried]
    2: 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" [syn: apprehensive, worried]
Moby Thesaurus II by Grady Ward, 1.0:
42 Moby Thesaurus words for "worried":
   annoyed, anxious, badgered, baited, bedeviled, beset, bothered,
   bugged, bullyragged, chivied, deviled, distracted, distrait,
   distressed, dogged, embarrassed, fretted, harassed, harried,
   haunted, heckled, hectored, hounded, inconvenienced, irked,
   needled, nipped at, persecuted, perturbed, pestered, picked on,
   plagued, put to it, puzzled, ragged, sore beset, teased, tormented,
   troubled, vexed, worried sick, worried stiff