Irrational
Irrational adjective - Not using or following good reasoning.
Mentally deranged and irrational are semantically related. In some cases you can use "Mentally deranged" instead an adjective "Irrational".
Nearby Words: irrationality, irrationally
Mentally deranged
Irrational and mentally deranged are semantically related. Sometimes you can use "Irrational" instead an adjective phrase "Mentally deranged".
Mutual synonyms
Related pairs
- eccentric and irrational
- eccentric and mentally deranged
- unstable and irrational
- unstable and mentally deranged
- crazy and irrational
- crazy and mentally deranged
- demented and irrational
- demented and mentally deranged
- unbalanced and irrational
- unbalanced and mentally deranged
- lunatic and irrational
- lunatic and mentally deranged
- neurotic and irrational
- neurotic and mentally deranged
Cite this Source
Mentally deranged and Irrational. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/irrational/mentally_deranged
Irrational & Mentally deranged. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/irrational/mentally_deranged>.
Mentally deranged or Irrational. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/irrational/mentally_deranged.
Google Ngram Viewer shows how "irrational" and "mentally deranged" have occurred on timeline