Irrational
Irrational adjective - Not using or following good reasoning.
Knuckleheaded and irrational are semantically related. In some cases you can use "Knuckleheaded" instead an adjective "Irrational".
Nearby Words: irrationality, irrationally
Knuckleheaded
Knuckleheaded adjective - Not having or showing an ability to absorb ideas readily.
Usage example: the editorial lampooned the knuckleheaded legislation, which was yet another attempt by the government to protect people from themselves
Irrational and knuckleheaded are semantically related. Sometimes you can use "Irrational" instead an adjective "Knuckleheaded".
Mutual synonyms
Related pairs
- stupid and irrational
- stupid and knuckleheaded
- foolish and irrational
- foolish and knuckleheaded
- crazy and irrational
- crazy and knuckleheaded
- illogical and irrational
- illogical and knuckleheaded
- silly and irrational
- silly and knuckleheaded
- senseless and irrational
- senseless and knuckleheaded
- unintelligent and irrational
- unintelligent and knuckleheaded
Cite this Source
Knuckleheaded and Irrational. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/irrational/knuckleheaded
Irrational & Knuckleheaded. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/irrational/knuckleheaded>.
Knuckleheaded or Irrational. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/irrational/knuckleheaded.
Google Ngram Viewer shows how "irrational" and "knuckleheaded" have occurred on timeline