Tranquil and Unperturbed

Tranquil

Tranquil adjective - Free from emotional or mental agitation.
Usage example: though she should have been upset, she felt oddly tranquil upon learning that she would not be receiving the scholarship

Unperturbed is a synonym for tranquil in calm topic. In some cases you can use "Unperturbed" instead an adjective "Tranquil", when it comes to topics like quiet. popular alternative

Nearby Word: tranquilly

Unperturbed

Unperturbed adjective - Free from emotional or mental agitation.
Usage example: remained unperturbed despite the latest problems in the construction of their new house

Tranquil is a synonym for unperturbed in calm topic. You can use "Tranquil" instead an adjective "Unperturbed", if it concerns topics such as unruffled. popular alternative
Cite this Source
Unperturbed and Tranquil. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/tranquil/unperturbed
Tranquil & Unperturbed. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/tranquil/unperturbed>.
Unperturbed or Tranquil. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/tranquil/unperturbed.
Google Ngram Viewer shows how "tranquil" and "unperturbed" have occurred on timeline