insecure - definition and synonyms

adjective 

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/ˌɪnsɪˈkjʊə(r)/
  1. 1
    not confident about yourself

    Jerry felt very insecure when he started at his new school.

    insecure about:

    She’s always been very insecure about the way she looks.

  2. 2
    capable of being lost or taken from you at any time

    With the downturn in the market their jobs have become very insecure.

  3. 3
    able to be entered by force, or not well protected or firmly locked

    In 90% of burglaries, access is through insecure doors and windows.

derived words

insecurity

 

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/ˌɪnsɪˈkjʊərəti/
noun [countable/uncountable]
singularinsecurity
pluralinsecurities

Tom suffered from many insecurities.