Earnest and Scatterbrained

Earnest

Earnest adjective - Not joking or playful in mood or manner.
Usage example: I'll accept only an earnest apology from you

Scatterbrained is an antonym for earnest.

Nearby Words: earnestness, earnestly

Scatterbrained

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

Earnest is an antonym for scatterbrained.
Cite this Source
Scatterbrained and Earnest. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/earnest/scatterbrained
Earnest & Scatterbrained. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/earnest/scatterbrained>.
Scatterbrained or Earnest. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/earnest/scatterbrained.
Google Ngram Viewer shows how "earnest" and "scatterbrained" have occurred on timeline