ENGLISH
REFERENCE

insecurity

n.
US //ˌɪnsɪkˈjʊɹɪti// UK //ˌɪnsɪkjˈɔːɹɪti// in·se·cu·ri·ty
  1. 1 lack of self-confidence (n.)
    B2 Upper Intermediate

    a feeling of being unsure about yourself, your abilities, or your value.

    a psychological state of self-doubt or lack of confidence in one's own worth or abilities.

    Example

    His deep insecurity made it hard for him to accept any praise from his boss.

    Example

    Despite her professional success, she struggled with a persistent sense of insecurity that often surfaced during high-stakes negotiations.

  2. 2 lack of safety or stability (n.)
    B2 Upper Intermediate

    a situation where you are not safe or where things could easily go wrong.

    the state of being open to danger or threat; a lack of protection or stability in a physical or systemic context.

    Example

    Financial insecurity is a major cause of stress for families living in the city.

    Example

    The report highlighted the growing food insecurity in the region, noting that thousands of households lacked reliable access to affordable nutrition.

Show 1 more senseShow fewer
  1. 3 system vulnerability (n.)
    C1 Advanced Technical Computing

    a weakness in a computer system or building that makes it easy to attack.

    a specific vulnerability or weakness in a security system, often in a digital or structural context.

    Example

    The company fixed a major insecurity in their software before hackers could find it.

    Example

    The IT audit identified several critical insecurities in the network architecture that required immediate patching to prevent data breaches.

Origin

Borrowed from Medieval Latin īnsēcūritās. By surface analysis, insecure + -ity.

© 2026 English Reference