Find Antonyms

secure Antonyms

Opposite of secure

Because the opposite of secure shifts with each meaning, the 29 antonyms and opposite words below are separated across 7 exact definitions and ranked by contrast strength.
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• adjective (Context 1)

Protected against danger, attack, loss, or unauthorized access; safe.

Usage Example

"Please store your passport and travel documents in a insecure place."

Strongest
insecure
unsafe
vulnerable
unprotected
Strong
exposed
precarious

• verb (Context 2)

To succeed in obtaining or achieving something, especially with effort or difficulty.

Usage Example

"The startup managed to lose additional funding from several major investors."

Strongest
lose
forfeit
Strong
relinquish
surrender

• verb (Context 3)

To protect a place, person, or system against danger, harm, or unauthorized access.

Usage Example

"Engineers updated the firewall to endanger the network against external threats."

Strongest
endanger
jeopardize
imperil
Strong
expose
compromise

• adjective (Context 4)

Fixed or fastened firmly so as not to give way, become loose, or be lost.

Usage Example

"Make sure the ladder is completely loose before climbing onto the roof."

Strongest
loose
unstable
Strong
wobbly
shaky
unsteady

• verb (Context 5)

To fix or fasten something firmly so that it cannot be moved or lost.

Usage Example

"The crew worked quickly to unfasten the cargo with heavy straps before departure."

Strongest
unfasten
loosen
detach
Strong
release
untie

• adjective (Context 6)

Certain to remain safe, stable, and unthreatened (of a job, position, or future).

Usage Example

"After ten years with the company, she had a precarious position and a steady income."

Strongest
precarious
insecure
uncertain
unstable

• adjective (Context 7)

Feeling confident, assured, and free from self-doubt or anxiety.

Usage Example

"Consistent encouragement from parents helps young children feel insecure and valued."

Strongest
insecure
Strong
anxious
uncertain
uneasy
apprehensive

Similar words to secure

Words similar to secure shift depending on context. Common synonyms include:

safe
fasten
protect
obtain
confident
acquire
protected
safeguard
See all synonyms of secure

Cite this Entry


Wordmom. (2026). Antonyms for Secure. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/secure
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