35 entries under unpredictable topic. ×

26
peculiar(adjective, characteristic, separate, extraordinary, unusual)
8
erratic(adjective, unusual, wild, strange, usual)
2
inconsistent(adjective, irregular, unreliable, nonconforming)
1
dubious(unusual, strange, irregular, unreliable)
0
arbitrary(irregular, unreliable)
0
changeable(irregular, unreliable)
0
desultory(irregular, unreliable)
0
devious(irregular, unreliable)
0
dicey(irregular, unreliable)
0
directionless(irregular, unreliable)
0
fitful(irregular, unreliable)
0
fluctuant(irregular, unreliable)
0
iffy(irregular, unreliable)
0
incalculable(irregular, unreliable)
0
inconstant(irregular, unreliable)
0
intermittent(irregular, unreliable)
0
meandering(irregular, unreliable)
0
mercurial(irregular, unreliable)
0
nomadic(irregular, unreliable)
0
planetary(irregular, unreliable)
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APASmart Define. (2016). idiosyncratic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/idiosyncratic/thesaurus/synonyms
ChicagoSmart Define. 2016. "idiosyncratic thesaurus" https://smartdefine.org/idiosyncratic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, idiosyncratic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/idiosyncratic/thesaurus/synonyms>.
MLASmart Define. "idiosyncratic thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/idiosyncratic/thesaurus/synonyms>