132 entries under doubtful topic. ×

6
speculative(adjective, delicate, uncertain, sensitive)
6
tricky(noun, adjective, delicate, uncertain, sensitive)
6
undecided(adjective, open, uncertain, definite)
6
unsettled(adjective, open, delicate, uncertain, unstable)
6
unsteady(adjective, delicate, uncertain, unstable)
5
unstable(adjective, delicate, uncertain, nervous, irregular)
5
equivocal(adjective, clear, open, delicate, certain)
5
indecisive(adjective, clear, open, delicate, certain)
5
perilous(adjective, delicate, uncertain, sensitive, unstable)
5
suspicious(adjective, uncertain, nervous, unsettled)
5
untrustworthy(adjective, uncertain, nervous, dubious)
4
borderline(adjective, clear, open, delicate, certain)
4
disputable(adjective, uncertain, dubious, tricky)
4
doubtable(uncertain, shaky, suspicious, unlikely)
4
hairy(noun, adjective, delicate, uncertain, sensitive)
4
moot(adjective, open, uncertain, dubious)
4
sensitive(adjective, delicate, uncertain, unstable)
4
ticklish(noun, adjective, delicate, uncertain, sensitive)
4
touchy(adjective, delicate, uncertain, nervous, sensitive)
4
unclear(adjective, clear, open, certain, uncertain)
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APASmart Define. (2015). iffy thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/iffy/thesaurus/synonyms
ChicagoSmart Define. 2015. "iffy thesaurus" https://smartdefine.org/iffy/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, iffy thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/iffy/thesaurus/synonyms>.
MLASmart Define. "iffy thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/iffy/thesaurus/synonyms>