83 entries under unreliable topic. ×

23
uncertain(noun, adjective, clear, open, delicate)
15
dubious(adjective, clear, open, delicate, certain)
15
questionable(adjective, clear, certain, insecure)
14
precarious(adjective, delicate, uncertain, sensitive, unstable)
13
unsure(noun, adjective, clear, open, delicate)
12
dicey(noun, adjective, delicate, uncertain, sensitive)
10
shaky(adjective, delicate, uncertain, nervous, unstable)
10
unpredictable(noun, adjective, uncertain, irregular, doubtful)
7
incalculable(adjective, uncertain, insecure, treacherous)
7
insecure(adjective, delicate, uncertain, nervous, sensitive)
6
capricious(adjective, uncertain, irregular, dubious, unpredictable)
6
erratic(adjective, uncertain, irregular, doubtful, vague)
6
unsteady(adjective, delicate, uncertain, unstable, doubtful)
5
unstable(adjective, delicate, uncertain, nervous, irregular)
5
untrustworthy(adjective, uncertain, nervous, doubtful, dubious)
4
fickle(adjective, changeable, insecure, erratic)
4
treacherous(adjective, insecure, incalculable)
4
undependable(adjective, uncertain, nervous, doubtful, dubious)
4
unsafe(adjective, delicate, uncertain, sensitive, unstable)
3
arbitrary(adjective, irregular, unpredictable, changeable)
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APASmart Define. (2015). iffy thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/iffy/thesaurus/synonyms
ChicagoSmart Define. 2015. "iffy thesaurus" https://smartdefine.org/iffy/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, iffy thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/iffy/thesaurus/synonyms>.
MLASmart Define. "iffy thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/iffy/thesaurus/synonyms>