Concerned and Unperturbed

Concerned

Concerned adjective - Feeling or showing worry or solicitude.

Unperturbed is an antonym for concerned in topics: worried, involved with.

Unperturbed

Unperturbed adjective - Free from emotional or mental agitation.

Concerned is an antonym for unperturbed.
Cite this Source
Unperturbed and Concerned. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/concerned/unperturbed
Concerned & Unperturbed. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/concerned/unperturbed>.
Unperturbed or Concerned. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/concerned/unperturbed.
Google Ngram Viewer shows how "concerned" and "unperturbed" have occurred on timeline