6
positive(adjective, severity, obstinacy)
6
tyrannous(adjective, certain, full, absolute, over)
6
unlimited
6
unmitigated
6
unrestricted(open, free, absolute, voluntary, oppressive)
5
almighty
5
careless(adjective, unstable, unreasonable, casual, unpredictable)
5
chancy(adjective, unusual, changeable, erratic, random)
5
compulsory(authority, dictatorial)
5
impulsive(adjective, unusual, careless, unstable, unreasonable)
5
inequitable(adjective, cruel, unreasonable, dishonest, immoral)
5
irregular(adjective, careless, chance, casual, unreliable)
5
severe(adjective, severity)
5
unreasonable(adjective, careless, unstable, chance, improper)
5
wanton(adjective, cruel, malicious, unconformity, caprice)
4
crotchety(adjective, careless, unstable, unreasonable, unpredictable)
4
discretional(open, free, voluntary, elective)
4
doubtful(adjective, changeable, erratic, random)
4
fantastic
4
fortuitous(adjective, lucky, accidental)
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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>