Featherbrained and Preposterous

Featherbrained

Featherbrained adjective - Lacking in seriousness or maturity.

Preposterous and featherbrained are semantically related. In some cases you can use "Preposterous" instead an adjective "Featherbrained".

Preposterous

Preposterous adjective - Conceived or made without regard for reason or reality.

Featherbrained and preposterous are semantically related. Sometimes you can use "Featherbrained" instead an adjective "Preposterous".
Cite this Source
Preposterous and Featherbrained. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/featherbrained/preposterous
Featherbrained & Preposterous. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/featherbrained/preposterous>.
Preposterous or Featherbrained. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/featherbrained/preposterous.
Google Ngram Viewer shows how "featherbrained" and "preposterous" have occurred on timeline