Lamebrain
Lamebrain adjective - Not having or showing an ability to absorb ideas readily.
Usage example: he offended a number of people with that insensitive, lamebrain comment
Preposterous and lamebrain are semantically related. In some cases you can use "Preposterous" instead an adjective "Lamebrain".
Preposterous
Preposterous adjective - Showing or marked by a lack of good sense or judgment.
Usage example: a preposterous suggestion to go swimming in this freezing weather
Lamebrain and preposterous are semantically related. Sometimes you can use "Lamebrain" instead an adjective "Preposterous".
Cite this Source
Preposterous and Lamebrain. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/lamebrain/preposterous
Lamebrain & Preposterous. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/lamebrain/preposterous>.
Preposterous or Lamebrain. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/lamebrain/preposterous.
Google Ngram Viewer shows how "lamebrain" and "preposterous" have occurred on timeline