subject to fears, doubts, etc.; not self-confident or assured: an insecure person.
not confident or certain; uneasy; anxious: He was insecure about the examination.
not secure; exposed or liable to risk, loss, or danger: an insecure stock portfolio.
not firmly or reliably placed or fastened: an insecure ladder.

Nearby words

  1. insectivora,
  2. insectivore,
  3. insectivorous,
  4. insectivorous bat,
  5. insectology,
  6. insecurity,
  7. inselberg,
  8. inseminate,
  9. insemination,
  10. insemination

Origin of insecure

From the Medieval Latin word insēcūrus, dating back to 1640–50. See in-3, secure

Related formsin·se·cure·ly, adverbin·se·cure·ness, noun

Synonym study

3. See uncertain. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for insecure

British Dictionary definitions for insecure



anxious or afraid; not confident or certain
not adequately protectedan insecure fortress
unstable or shaky
Derived Formsinsecurely, adverbinsecureness, nouninsecurity, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for insecure



1640s, "unsafe," from Medieval Latin insecurus, from in- "not" (see in- (1)) + Latin securus (see secure). Psychological sense dates from 1935; insecurity in this sense dates from 1917. Related: Insecurely.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for insecure




Lacking emotional stability; not well-adjusted.
Lacking self-confidence; plagued by anxiety.
Related formsin′se•curi•ty (-kyurĭ-tē) n.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.