Inconsistent and Illogical

Inconsistent

Inconsistent adjective - Not being in agreement or harmony.

Illogical is a synonym for inconsistent in contradictory topic. In some cases you can use "Illogical" instead an adjective "Inconsistent".

Illogical

Illogical adjective - Not using or following good reasoning.
Usage example: illogical people are likely to believe every sensational claim made on TV

Inconsistent is a synonym for illogical in irrational topic. You can use "Inconsistent" instead an adjective "Illogical", if it concerns topics such as incorrect, not making sense.

Nearby Word: illogicality
Cite this Source
Illogical and Inconsistent. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/inconsistent/illogical
Inconsistent & Illogical. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/inconsistent/illogical>.
Illogical or Inconsistent. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/inconsistent/illogical.
Google Ngram Viewer shows how "inconsistent" and "illogical" have occurred on timeline