insecure

insecure
    adj 1: not firm or firmly fixed; likely to fail or give way;
           "the hinge is insecure" [ant: {secure}]
    2: lacking in security or safety; "his fortune was increasingly
       insecure"; "an insecure future" [syn: {insecure}, {unsafe}]
       [ant: {secure}]
    3: lacking self-confidence or assurance; "an insecure person
       lacking mental stability" [ant: {secure}, {unafraid},
       {untroubled}]
    4: not safe from attack [syn: {insecure}, {unsafe}]
    

Insecure \In`se*cure"\, a.
   1. Not secure; not confident of safety or permanence;
      distrustful; suspicious; apprehensive of danger or loss.
      [1913 Webster]

            With sorrow and insecure apprehensions. --Jer.
                                                  Taylor.
      [1913 Webster]

   2. Not effectually guarded, protected, or sustained; unsafe;
      unstable; exposed to danger or loss. --Bp. Hurg.
      [1913 Webster]

            The trade with Egypt was exceedingly insecure and
            precarious.                           --Mickle.
      [1913 Webster]
    

70 Moby Thesaurus words for "insecure":
      afraid, anxious, apprehensive, dangerous, desultory, dickey,
      disconcerted, doubtful, dubious, exposed, fearful, flimsy,
      fluctuant, frail, hazardous, hesitant, in suspense, infirm,
      insubstantial, jumpy, nervous, open, perilous, precarious,
      provisional, questioning, rickety, risky, rocky, rootless, shaky,
      shifting, shifty, slippery, temporary, tentative, ticklish,
      tottery, treacherous, unassured, uncertain, uncomfortable,
      unconfident, undefended, undependable, unfaithworthy, unguarded,
      unhealthy, unnerved, unpredictable, unprotected, unreliable,
      unsafe, unselfassured, unselfconfident, unselfreliant, unsolid,
      unsound, unstable, unsteadfast, unsteady, unsubstantial, unsure,
      untrustworthy, vacillating, vulnerable, wavering, weak, wobbly,
      worried