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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

We dislike insecure bellicosity not just because it’s embarrassing, but because it is ineffective.

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

Over the show’s seven-season run, Brendon became a central figure, portraying the witty, insecure but dependable “everyman” in the gang’s battles against the forces of darkness.

From Los Angeles Times • Mar. 21, 2026

I have become, by certain measures, a person of power, and yet there are moments still when I feel insecure or unheard.

From "Becoming" by Michelle Obama

Vocabulary lists containing insecure

In the Mood? 100 Words to Describe Emotions

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in-

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Uh-Oh: Synonyms for "Dangerous"

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