Arbitrary
Arbitrary adjective - Having or showing a tendency to force one's will on others without any regard to fairness or necessity.
Illogical and arbitrary are semantically related. in unmotivated topic. In some cases you can use "Illogical" instead an adjective "Arbitrary".
Illogical
Illogical adjective - Not using or following good reasoning.
Arbitrary and illogical are semantically related. Sometimes you can use "Arbitrary" instead an adjective "Illogical".
Nearby Word: illogicality
Mutual synonyms
Both words in one sentence
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Arbitrary Skepticism: Luna complains that Harry and Hermione suffer from this, pointing out that as they were raised by Muggles they wouldn't have believed in magic or Werewolves, but now know they exist, so dismissing Nargles because they haven't seen evidence for their existence is illogical.
Source: Fanfic / The Biter Bit
Cite this Source
Illogical and Arbitrary. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/arbitrary/illogical
Arbitrary & Illogical. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/arbitrary/illogical>.
Illogical or Arbitrary. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/arbitrary/illogical.
Google Ngram Viewer shows how "arbitrary" and "illogical" have occurred on timeline