DictionaryinsecureLacking confidence
adjective

insecure

in-sih-KYOOR/ˌɪnsɪˈkjʊr/

Not firmly protected against destabilizing harm.

The insecure shelf tilts as its bracket pulls away from the wall.

A loose shelf bracket pulling away from a wall, leaving the empty shelf visibly tilted and insecurely fixed.
Etymology

Negating “free from care” connects insecure with fear and doubt as well as danger. The physical sense reflects the extension of secure to things stable enough to give grounds for confidence.

In context

Prof. Sam Vaknin31:59
parents of such children broadcast to them we are insecure we as parents we are insecure the world is not safe we need you you owe us
When Narcissist is Rejected by Peers

More examples

  • She feels insecure about her ability to lead the team.
  • An insecure password leaves your account open to attack.
  • His job remains insecure while the company struggles to survive.

Forms

insecure · more insecure · most insecure

insecurity noun — A lack of safety, stability, or confidence.

insecurely adverb — Without firm support, protection, or confidence.

Similar words

unsafe
Emphasizes exposure to danger rather than uncertainty or instability.
unstable
Emphasizes a tendency to shift, fail, or change unexpectedly.
vulnerable
Emphasizes susceptibility to harm, even when something seems stable.