Happy
Happy adjective - Coming or happening by good luck especially unexpectedly.
Unperturbed and happy are semantically related. In some cases you can use "Unperturbed" instead an adjective "Happy".
Unperturbed
Unperturbed adjective - Free from emotional or mental agitation.
Happy and unperturbed are semantically related. Sometimes you can use "Happy" instead an adjective "Unperturbed".
Cite this Source
Unperturbed and Happy. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/happy/unperturbed
Happy & Unperturbed. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/happy/unperturbed>.
Unperturbed or Happy. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/happy/unperturbed.
Google Ngram Viewer shows how "happy" and "unperturbed" have occurred on timeline