145 entries under doubtful topic. ×

3
rootless(adjective, weak, uncertain, unsettled)
3
shady(adjective, uncertain, dishonest, unsettled)
3
suspect(adjective, uncertain, unsettled, dubious)
3
unforeseeable(adjective, vague)
2
doubtable(adjective, uncertain, unsettled, dubious)
2
fishy(adjective, uncertain, unsettled, dubious)
2
hazy(vague, unclear, indistinct, indistinguishable)
2
sensitive(adjective, delicate, uncertain, unstable)
2
speculative
2
tricky(noun, adjective, delicate, false, loose)
2
unconfirmed
2
unhealthy(adjective, delicate, uncertain, unstable)
2
variable(adjective, loose, uncertain, vague)
2
wimpy(adjective, weak, uncertain, nervous)
1
lacking(adjective, poor, thin, uncertain, nervous)
1
afraid(adjective, uncertain, nervous, shy)
1
conjectural
1
contingent(adjective, open, delicate, uncertain, unstable)
1
dawdling(adjective, uncertain, shy, hesitant)
1
delaying(adjective, uncertain, shy, hesitant)
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APASmart Define. (2016). unsure thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unsure/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsure thesaurus" https://smartdefine.org/unsure/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unsure thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unsure/thesaurus/synonyms>.
MLASmart Define. "unsure thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/unsure/thesaurus/synonyms>