Synonyms|807Antonyms|167|Broader|9Narrower|10Related|967
2
capricious
1
changeable
1
discretionary
1
erratic
1
fanciful
1
freakish
1
frivolous
1
optional
1
uncertain
1
wayward
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ChicagoSmart Define. 2015. "arbitrary thesaurus" https://smartdefine.org/arbitrary/thesaurus/narrower (accessed September 20, 2026).
HarvardSmart Define 2015, arbitrary thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/arbitrary/thesaurus/narrower>.
MLASmart Define. "arbitrary thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/arbitrary/thesaurus/narrower>