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Definitions

insecure

[in-si-kyoor] / ˌɪn sɪˈkyʊər /
ADJECTIVE
uncertain, worried
Synonyms
STRONGEST
afraid anxious apprehensive hesitant shaky touchy troubled unsure uptight
WEAK
Delphic choked diffident hanging by thread jumpy on thin ice questioning touch and go unassured unconfident unpoised up in the air vague
Antonyms
STRONGEST
at ease calm certain collected composed cool definite happy peaceful quiet sure unafraid unwavering unworried
WEAK
confident guarded protected safe secure sound
ADJECTIVE
dangerous, precarious
Synonyms
STRONGEST
frail immature shaky unreliable unstable vulnerable wobbly
STRONG
unsafe
WEAK
defenseless exposed fluctuant hazardous insubstantial loose open to attack perilous rickety rocky rootless unguarded unprotected unshielded unsound unsteady vacillating wavering weak
Antonyms
STRONGEST
firm stable steady strong unshaky
WEAK
certain confident guarded protected safe secure sound sure

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She may even be feeling insecure in the relationship.

From MarketWatch • Apr. 13, 2026

It is designed to weed out the insecure and trigger-happy, the reckless hotheads with something to prove.

From Slate • Apr. 13, 2026

A world without rules is an insecure world where anyone can be the next victim.

From The Wall Street Journal • Mar. 30, 2026

But it was also from being insecure or feeling out of place or hated.

From Los Angeles Times • Mar. 25, 2026

Jason was still a little nervous about her getting jealous of Reyna, but when she looked up, she gave him a dry smile that seemed more teasing than insecure.

From "The House of Hades" by Rick Riordan

Vocabulary lists containing insecure

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in-

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