28
dictatorial(adjective, full, absolute, positive, over)
26
despotic(adjective, full, absolute, over, politics)
26
autocratic(adjective, full, absolute, over, politics)
26
tyrannical(adjective, full, absolute, severity, over)
24
absolute(adjective, control, authority, severity, over)
22
random(verb, adjective, careless, unreasonable, chance)
19
imperious(adjective, absolute, chief, insolence, oppressive)
18
capricious(adjective, wrong, unusual, foolish, stupid)
16
totalitarian(adjective, full, absolute, over, politics)
14
domineering(adjective, absolute, severity, insolence, proud)
13
dogmatic(adjective, obstinacy, opinionated, dictatorial)
13
peremptory(adjective, improper, senseless, absolute, severity)
13
authoritarian(adjective, full, absolute, oppressive, tyrannical)
13
wayward(adjective, careless, unstable, unreasonable, chance)
13
whimsical(adjective, careless, unstable, unreasonable, surprise)
12
erratic(adjective, careless, unstable, unreasonable, chance)
11
arrogant(adjective, unreasonable, severity, obstinate, insolence)
11
fanciful(adjective, unusual, careless, unstable, unreasonable)
10
high-handed(adjective, insolence, dictatorial)
9
bossy(adjective, oppressive, tyrannical, authoritarian, assertive)
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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>