Sedate and Scatterbrained

Sedate

Sedate adjective - Not joking or playful in mood or manner.
Usage example: while not exactly cold, the doctor does maintain a sedate and purely professional demeanor with his patients

Scatterbrained is an antonym for sedate.

Scatterbrained

Scatterbrained adjective - Lacking in seriousness or maturity.
Usage example: a scatterbrained child who couldn't seem to pay attention or stop fooling around

Sedate is an antonym for scatterbrained.
Cite this Source
Scatterbrained and Sedate. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/sedate/scatterbrained
Sedate & Scatterbrained. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/sedate/scatterbrained>.
Scatterbrained or Sedate. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/sedate/scatterbrained.
Google Ngram Viewer shows how "sedate" and "scatterbrained" have occurred on timeline