Secure and Unfasten

Opposite meaning words

Secure verb - To put securely in place or in a desired position.

Usage example: candidates for admission are asked to secure a recent photo to their application forms

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Unfasten is an antonym for secure in topics: attach, protect, obtain.

Nearby Words: security, secured, securing, securely

Unfasten verb - Cause to become undone.

Usage example: unfasten your belt

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Secure is an antonym for unfasten in topics: detach, disengage.

Nearby Word: unfastening

Cite this Source

Unfasten and Secure. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/secure/unfasten

Secure & Unfasten. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/secure/unfasten>.

Unfasten or Secure. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/secure/unfasten.

Google Ngram Viewer shows how "secure" and "unfasten" have occurred on timeline