Fallacious
Fallacious adjective - Not using or following good reasoning.
Opaque and fallacious are semantically related. In some cases you can use "Opaque" instead an adjective "Fallacious".
Opaque
Opaque adjective - Not having or showing an ability to absorb ideas readily.
Usage example: people are sometimes rude to her, but fortunately she's too opaque to realize what's happening
Fallacious and opaque are semantically related. Sometimes you can use "Fallacious" instead an adjective "Opaque".
Nearby Words: opaqueness, opaquely
Cite this Source
Opaque and Fallacious. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/fallacious/opaque
Fallacious & Opaque. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/fallacious/opaque>.
Opaque or Fallacious. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/fallacious/opaque.
Google Ngram Viewer shows how "fallacious" and "opaque" have occurred on timeline