[1] : The Collaborative International Dictionary of English v.0.48

concern \concern"\, v. t. imp.  p. p. concerned; p. pr. 
   vb. n. concerning. f. concerner, ll. concernere to
   regard, concern, fr. l. concernere to mix or mingle together,
   as in a sieve for separating; con- + cernere to separate,
   sift, distinguish by the senses, and especially by the eyes,
   to perceive, see. see certain.
   1. to relate or belong to; to have reference to or connection
      with; to affect the interest of; to be of importance to.
      1913 webster

            preaching the kingdom of god, and teaching those
            things which concern the lord jesus christ. --acts
                                                  xxviii. 31.
      1913 webster

            our wars with france have affected us in our most
            tender interests, and concerned us more than those
            with any other nation.                --addison.
      1913 webster

            it much concerns a preacher first to learn
            the genius of his audience and their turn.
                                                  --dodsley.
      1913 webster

            ignorant, so far as the usual instruction is
            concerned.                            --j. f.
                                                  cooper.
      1913 webster

   2. to engage by feeling or sentiment; to interest; as, a good
      prince concerns himself in the happiness of his subjects.
      1913 webster

            they think themselves out the reach of providence,
            and no longer concerned to solicit his favor.
                                                  --rogers.
      1913 webster
see also:
concerned concerning certain 

[2] : The Collaborative International Dictionary of English v.0.48

concerned \concerned"\, a. see concern, v. t., 2.
   disturbed; troubled; solicitous; as, to be much concerned for
   the safety of a friend.
   1913 webster
see also:
concern 

[3] : WordNet (r) 2.0

concerned
     adj 1: feeling or showing worry or solicitude; "concerned parents
            of youthful offenders"; "was concerned about the
            future"; "we feel concerned about accomplishing the
            task at hand"; "greatly concerned not to disappoint a
            small child" ant: unconcerned
     2: involved in or affected by or having a claim to or share in;
        "a memorandum to those concerned"; "an enterprise in which
        three men are concerned"; "factors concerned in the rise
        and fall of epidemics"; "the interested parties met to
        discuss the business" syn: interested
     3: in relation or in regard to; especially as in the phrases;
        "as far as x is concerned"; "where x is concerned"
     4: culpably involved; "all those concerned in the bribery case
        have been identified"; "named three officials implicated
        in the plot"; "an innocent person implicated by
        circumstances in a crime" syn: implicated
see also:
unconcerned interested implicated 

[4] : Moby Thesaurus II by Grady Ward, 1.0

51 moby thesaurus words for "concerned":
   a party to, active, affected, agitated, all-overish, anxious,
   anxioused up, apprehensive, attracted, bothered, caring, cathectic,
   curious, disquieted, distressed, disturbed, enthusiastic, excited,
   fascinated, fearful, foreboding, implicated, in a pucker,
   in a stew, included, interested, involved, keen on, misgiving,
   nervous, on tenterhooks, overanxious, overapprehensive, passionate,
   perturbed, piqued, responsible, solicitous, strained, suspenseful,
   tantalized, tense, tickled, titillated, troubled, turned-on,
   uneasy, upset, vexed, worried, zealous

Concerned >> C Words
Concerned, definition of term: Concerned
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