What is another word for arbitrary?

Need synonyms for arbitrary? Here's a list of similar words from our thesaurus that you can use instead.

Adjective
Based on random choice or personal whim, rather than any reason or system
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“Any system of classification is arbitrary and thus frail, subject to the contradictions of experience.”
Adjective
Exercising power or authority without interference by others
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“Thus a major new avenue of arbitrary government power would be opened up.”
Adjective
Having or showing the desire to inflict severe pain and suffering on others
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Adjective
Set as guide
Adjective
Unfounded or nonsensical
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Adjective
Left to or regulated by one's own discretion or judgment
Adjective
Very unusual, strange, or unexpected
Adjective
Not guided by or based on good sense
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Adjective
(law) Performed speedily and without formal ceremony
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Adjective
Universally agreed upon
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Adjective
Not reasoned
Adjective
Unfair, unequal or unjust
Adjective
Not stated clearly or exactly
Adjective
Present as the strongest or main element
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Adjective
Difficult to control due to willful behavior
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