1
arbitrational
1
aristocratic
1
autarchical(adjective, full, absolute, over, politics)
1
bad(adjective, cruel, unreasonable, dishonest, immoral)
1
base(adjective, cruel, unreasonable, dishonest, immoral)
1
bigoted(adjective, dishonest, immoral, inflexible, positive)
1
blameworthy(adjective, cruel, unreasonable, dishonest, immoral)
1
blowing hot and cold(adjective, careless, unstable, unreasonable, unpredictable)
1
categorical
1
changeful(careless, unstable, unreasonable, unpredictable, changeable)
1
cheating(adjective, cruel, unreasonable, dishonest, immoral)
1
confirmed(adjective, hard, severe, rough, harsh)
1
contingent
1
contrary(adjective, careless, unstable, unreasonable, unpredictable)
1
corrupt
1
costing an arm and a leg(expression, adjective, idiom, improper, senseless)
1
cranky
1
criminal(adjective, cruel, unreasonable, dishonest, immoral)
1
crooked(adjective, cruel, unreasonable, dishonest, immoral)
1
culpable(adjective, cruel, unreasonable, dishonest, immoral)
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APASmart Define. (2015). arbitrary thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/arbitrary/thesaurus/synonyms
ChicagoSmart Define. 2015. "arbitrary thesaurus" https://smartdefine.org/arbitrary/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, arbitrary thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/arbitrary/thesaurus/synonyms>.
MLASmart Define. "arbitrary thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/arbitrary/thesaurus/synonyms>