Secure
Secure adjective - Having or showing great faith in oneself or one's abilities.
Usage example: he's so secure about winning the marathon that he's practically spent the prize money
Unperturbed and secure are semantically related. In some cases you can use "Unperturbed" instead an adjective "Secure".
Unperturbed
Unperturbed adjective - Free from emotional or mental agitation.
Secure and unperturbed are semantically related. Sometimes you can use "Secure" instead an adjective "Unperturbed".
Cite this Source
Unperturbed and Secure. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/secure/unperturbed
Secure & Unperturbed. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/secure/unperturbed>.
Unperturbed or Secure. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/secure/unperturbed.
Google Ngram Viewer shows how "secure" and "unperturbed" have occurred on timeline