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Not sure or certain; doubtful: unemployed and facing an insecure future.
(adjective)
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Inadequately guarded or protected; unsafe: A shortage of military police made the air base insecure.
(adjective)
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Not firm or fixed; unsteady: an insecure foothold.
(adjective)
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Lacking stability; troubled: an insecure relationship.
(adjective)
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Lacking self-confidence; plagued by anxiety: had always felt insecure at parties.
(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.