Preposterous
Preposterous adjective - Conceived or made without regard for reason or reality.
Specious and preposterous are semantically related in illogical topic. In some cases you can use "Specious" instead an adjective "Preposterous".
Specious
Specious adjective - Tending or having power to deceive.
Preposterous and specious are semantically related in illogical topic. Sometimes you can use "Preposterous" instead an adjective "Specious".
Nearby Words: specie, speciously
Mutual synonyms
Cite this Source
Specious and Preposterous. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/preposterous/specious
Preposterous & Specious. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/preposterous/specious>.
Specious or Preposterous. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/preposterous/specious.
Google Ngram Viewer shows how "preposterous" and "specious" have occurred on timeline