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

• instability
• precariousness
• shakiness
• unstableness
• unsteadiness

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

Elsewhere in the video, Seyfried opened up about experiencing insecurity while on modeling jobs as a child. —Becca Longmire, People.com, 20 Mar. 2025

The assault on Kennedy’s memory transcends politics and personal insecurities about competing legacies. —Alexis Coe, Rolling Stone, 20 Mar. 2025

Over the course of three days, this family attempts to reconnect amidst growing secrets, jealousies, insecurities and miscommunication. —Jamie Lang, Variety, 18 Mar. 2025

According to a 2024 study by the National Council on Aging (NCOA), 80 percent of U.S. adults aged 65 and older were either financially struggling then or were at risk of economic insecurity in retirement. —Giulia Carbonaro, Newsweek, 17 Mar. 2025

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