Preposterous and Rattlebrained

Preposterous

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

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

Rattlebrained

Rattlebrained adjective - Lacking sense or discretion.
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Synonyms for Rattlebrained

Preposterous and rattlebrained are semantically related in stupid topic. Sometimes you can use "Preposterous" instead an adjective "Rattlebrained".
Cite this Source
Rattlebrained and Preposterous. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/preposterous/rattlebrained
Preposterous & Rattlebrained. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/preposterous/rattlebrained>.
Rattlebrained or Preposterous. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/preposterous/rattlebrained.
Google Ngram Viewer shows how "preposterous" and "rattlebrained" have occurred on timeline