72 entries under vague topic. ×

10
tentative(adjective, open, weak, uncertain, shy)
9
equivocal(adjective, clear, open, rough, delicate)
9
changeable(adjective, loose, uncertain, doubtful)
9
indeterminate(adjective, clear, rough, certain, uncertain)
9
open(adjective, certain, uncertain, nervous, unstable)
9
unpredictable(noun, adjective, loose, uncertain, shy)
8
ambiguous(adjective, clear, open, rough, delicate)
8
borderline(adjective, clear, open, delicate, certain)
8
erratic(adjective, loose, doubtful, hesitant)
8
risky(noun, adjective, delicate, uncertain, unstable)
7
undetermined(adjective, open, weak, rough, certain)
5
confused(noun, adjective, uncertain, unsettled)
5
obscure(adjective, rough, uncertain, unsettled)
4
wishy-washy(adjective, open, weak, uncertain, unstable)
3
inconstant(adjective, loose, doubtful, hesitant)
3
on thin ice(expression, adjective, idiom, delicate, uncertain)
3
unforeseeable(adjective, doubtful)
2
hazy(doubtful, unclear, indistinct, indistinguishable)
2
speculative
2
unconfirmed
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APASmart Define. (2016). unsure thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unsure/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsure thesaurus" https://smartdefine.org/unsure/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unsure thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unsure/thesaurus/synonyms>.
MLASmart Define. "unsure thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/unsure/thesaurus/synonyms>