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

insecure \in`secure"\, 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

[2] : WordNet (r) 2.0

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: unsafe ant: secure
     3: lacking self-confidence or assurance; "an insecure person
        lacking mental stability" ant: secure
     4: not safe from attack syn: unsafe
     5: not financially safe or secure; "a bad investment"; "high
        risk investments"; "anything that promises to pay too much
        can't help being risky"; "speculative business
        enterprises" syn: bad, risky, high-risk, speculative
see also:
secure unsafe bad risky high-risk speculative 

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

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

Insecure >> I Words
Insecure, definition of term: Insecure
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