Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Not sure or certain; doubtful: unemployed and facing an insecure future.
  • adj. Inadequately guarded or protected; unsafe: A shortage of military police made the air base insecure.
  • adj. Not firm or fixed; unsteady: an insecure foothold.
  • adj. Lacking stability; troubled: an insecure relationship.
  • adj. Lacking self-confidence; plagued by anxiety: had always felt insecure at parties.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Not secure.
  • adj. Not comfortable or confident in oneself or in certain situations.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Not secure; not confident of safety or permanence; distrustful; suspicious; apprehensive of danger or loss.
  • adj. Not effectually guarded, protected, or sustained; unsafe; unstable; exposed to danger or loss.

from The Century Dictionary and Cyclopedia

  • Not secure, firm, or safe; liable to give way; unsafe.
  • Not fully assured; not free from apprehension, fear, uncertainty, or doubt; uncertain.
  • To make insecure; imperil.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. lacking self-confidence or assurance
  • adj. not safe from attack
  • adj. not firm or firmly fixed; likely to fail or give way
  • adj. lacking in security or safety

Etymologies

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