Featherbrained and Grave
Opposite meaning words
Featherbrained
Featherbrained adjective - Lacking in seriousness or maturity.
Usage example: some featherbrained youngsters giggled through the graduation ceremonies
Grave is an antonym for featherbrained.
Grave
Grave adjective - Not joking or playful in mood or manner.
Usage example: when I asked him how his dog was doing, he looked grave and said, “Not good”
Featherbrained is an antonym for grave.
Cite this Source
Grave and Featherbrained. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/featherbrained/grave
Featherbrained & Grave. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/featherbrained/grave>.
Grave or Featherbrained. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/featherbrained/grave.
Google Ngram Viewer shows how "featherbrained" and "grave" have occurred on timeline