insecurity

noun

in·​se·​cu·​ri·​ty ˌin-si-ˈkyu̇r-ə-tē 

plural insecurities

: the quality or state of being insecure: such as

a

: a state or feeling of anxiety, fear, or self-doubt

troubled by (feelings of) insecurity

Deep down he knows his swagger is just insecurity masquerading as confidence.

—Entertainment Weekly

… the questions we don't dare ask reflect our deepest insecurities about relationships.

—J. D. Heiman

They rarely have a confidante with whom they can compare notes, share crushes, and discuss insecurities.

—Kristen Golden

b

: lack of dependability or certainty

job insecurity

financial insecurity

the insecurity of their future

often, specifically : lack of a reliable means of meeting one's basic needs

families who are experiencing housing insecurity

see also food insecurity

c

: lack of safety or protection

the insecurity of the investment

revealed the insecurities [=vulnerabilities] in their system

Synonyms of insecurity

• instability

Examples of insecurity in a Sentence

the insecurity of the bookcase made it dangerous for a household with small children who like to climb

Recent Examples on the Web

To put my whole psyche, insecurities, anecdotes, family, community, insanity out there in a show in this way. — Damon Wise, Deadline, 29 July 2026

The actors grumble about shooting on the open ocean, trade stories, debate Shakespeare, art and fame, reveal stories of their past and share insecurities as the delays stretch on. — Michelle F. Solomon, Miami Herald, 29 July 2026

Kyle Brody, Founder of Off Campus Technologies, EdTech for student housing insecurity, & Founder of Iliad Capital, student housing company. — Kyle Brody, Forbes.com, 29 July 2026

Ad campaigns have long preyed in this way on female insecurities, telling women how they are supposed to look and act. — Adam Serwer, The Atlantic, 28 July 2026

Word History

First Known Use

1646, in the meaning defined above

Phrases Containing insecurity

• food insecurity

Rhymes for insecurity

• immaturity
• prematurity
• biosecurity
• cybersecurity
• impurity
• maturity
• obscurity
• security
• purity
• surety

Medical Definition

insecurity

noun

in·​se·​cu·​ri·​ty -ˈkyu̇r-ət-ē 

plural insecurities

: a feeling of apprehensiveness and uncertainty : lack of assurance or stability