3
humorsome(adjective, careless, unstable, unreasonable, unpredictable)
3
iffy(adjective, irregular, unpredictable, unreliable, changeable)
3
imperative
3
indecisive(adjective, changeable, inconsistent, capricious, motiveless)
3
kinky(adjective, unusual, careless, unstable, unreasonable)
3
lordly
3
opinionated(adjective, foolish, stupid, senseless, irrational)
3
overweening(adjective, insolence)
3
partial(adjective, cruel, unreasonable, dishonest, immoral)
3
partisan(adjective, cruel, unreasonable, dishonest, immoral)
3
personal(adjective, opinion, surprise, subjective)
3
power-hungry
3
supercilious(adjective, chance, insolence, whimsical)
3
tough(adjective, rough, obstinate)
3
uncalled-for(adjective, unreasonable, extreme, improper, stiff)
3
uncompromising
3
unjust(adjective, unreasonable, extreme, improper, stiff)
3
wild
2
abnormal(irregular, unpredictable, unreliable, unconformity)
2
accidental(adjective, careless, chance, casual, random)
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APASmart Define. (2015). arbitrary thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/arbitrary/thesaurus/synonyms
ChicagoSmart Define. 2015. "arbitrary thesaurus" https://smartdefine.org/arbitrary/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, arbitrary thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/arbitrary/thesaurus/synonyms>.
MLASmart Define. "arbitrary thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/arbitrary/thesaurus/synonyms>