insecure

Adjective
  1. Not firm or firmly fixed;
    Likely to fail or give way (synset 302103066)
    "the hinge is insecure"
  2. Lacking in security or safety (synset 302102035)
    "his fortune was increasingly insecure"; "an insecure future"
  3. Lacking self-confidence or assurance (synset 302100773)
    "an insecure person lacking mental stability"
  4. Not safe from attack (synset 302534602)

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